638787648

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 224

約数和(自身を含む): 1910145024

約数和(自身を除く): 1271357376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 64, 67, 68, 69, 92, 96, 102, 127, 134, 136, 138, 184, 192, 201, 204, 254, 268, 272, 276, 368, 381, 391, 402, 408, 508, 536, 544, 552, 736, 762, 782, 804, 816, 1016, 1072, 1088, 1104, 1139, 1173, 1472, 1524, 1541, 1564, 1608, 1632, 2032, 2144, 2159, 2208, 2278, 2346, 2921, 3048, 3082, 3128, 3216, 3264, 3417, 4064, 4288, 4318, 4416, 4556, 4623, 4692, 5842, 6096, 6164, 6256, 6432, 6477, 6834, 8128, 8509, 8636, 8763, 9112, 9246, 9384, 11684, 12192, 12328, 12512, 12864, 12954, 13668, 17018, 17272, 17526, 18224, 18492, 18768, 23368, 24384, 24656, 25024, 25527, 25908, 26197, 27336, 34036, 34544, 35052, 36448, 36984, 37536, 46736, 49312, 49657, 51054, 51816, 52394, 54672, 68072, 69088, 70104, 72896, 73968, 75072, 78591, 93472, 98624, 99314, 102108, 103632, 104788, 109344, 136144, 138176, 140208, 144653, 147936, 148971, 157182, 186944, 195707, 198628, 204216, 207264, 209576, 218688, 272288, 280416, 289306, 295872, 297942, 314364, 391414, 397256, 408432, 414528, 419152, 433959, 544576, 560832, 578612, 587121, 595884, 628728, 782828, 794512, 816864, 838304, 867918, 1157224, 1174242, 1191768, 1257456, 1565656, 1589024, 1633728, 1676608, 1735836, 2314448, 2348484, 2383536, 2514912, 3131312, 3178048, 3327019, 3471672, 4628896, 4696968, 4767072, 5029824, 6262624, 6654038, 6943344, 9257792, 9393936, 9534144, 9981057, 12525248, 13308076, 13886688, 18787872, 19962114, 26616152, 27773376, 37575744, 39924228, 53232304, 79848456, 106464608, 159696912, 212929216, 319393824, 638787648]

約数ペア:

[(1, 638787648), (2, 319393824), (3, 212929216), (4, 159696912), (6, 106464608), (8, 79848456), (12, 53232304), (16, 39924228), (17, 37575744), (23, 27773376), (24, 26616152), (32, 19962114), (34, 18787872), (46, 13886688), (48, 13308076), (51, 12525248), (64, 9981057), (67, 9534144), (68, 9393936), (69, 9257792), (92, 6943344), (96, 6654038), (102, 6262624), (127, 5029824), (134, 4767072), (136, 4696968), (138, 4628896), (184, 3471672), (192, 3327019), (201, 3178048), (204, 3131312), (254, 2514912), (268, 2383536), (272, 2348484), (276, 2314448), (368, 1735836), (381, 1676608), (391, 1633728), (402, 1589024), (408, 1565656), (508, 1257456), (536, 1191768), (544, 1174242), (552, 1157224), (736, 867918), (762, 838304), (782, 816864), (804, 794512), (816, 782828), (1016, 628728), (1072, 595884), (1088, 587121), (1104, 578612), (1139, 560832), (1173, 544576), (1472, 433959), (1524, 419152), (1541, 414528), (1564, 408432), (1608, 397256), (1632, 391414), (2032, 314364), (2144, 297942), (2159, 295872), (2208, 289306), (2278, 280416), (2346, 272288), (2921, 218688), (3048, 209576), (3082, 207264), (3128, 204216), (3216, 198628), (3264, 195707), (3417, 186944), (4064, 157182), (4288, 148971), (4318, 147936), (4416, 144653), (4556, 140208), (4623, 138176), (4692, 136144), (5842, 109344), (6096, 104788), (6164, 103632), (6256, 102108), (6432, 99314), (6477, 98624), (6834, 93472), (8128, 78591), (8509, 75072), (8636, 73968), (8763, 72896), (9112, 70104), (9246, 69088), (9384, 68072), (11684, 54672), (12192, 52394), (12328, 51816), (12512, 51054), (12864, 49657), (12954, 49312), (13668, 46736), (17018, 37536), (17272, 36984), (17526, 36448), (18224, 35052), (18492, 34544), (18768, 34036), (23368, 27336), (24384, 26197), (24656, 25908), (25024, 25527)]