28278432

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 216

約数和(自身を含む): 100717344

約数和(自身を除く): 72438912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 83, 84, 91, 96, 104, 112, 117, 126, 144, 156, 166, 168, 169, 182, 208, 224, 234, 249, 252, 273, 288, 312, 332, 336, 338, 364, 416, 468, 498, 504, 507, 546, 581, 624, 664, 672, 676, 728, 747, 819, 936, 996, 1008, 1014, 1079, 1092, 1162, 1183, 1248, 1328, 1352, 1456, 1494, 1521, 1638, 1743, 1872, 1992, 2016, 2028, 2158, 2184, 2324, 2366, 2656, 2704, 2912, 2988, 3042, 3237, 3276, 3486, 3549, 3744, 3984, 4056, 4316, 4368, 4648, 4732, 5229, 5408, 5976, 6084, 6474, 6552, 6972, 7098, 7553, 7968, 8112, 8632, 8736, 9296, 9464, 9711, 10458, 10647, 11952, 12168, 12948, 13104, 13944, 14027, 14196, 15106, 16224, 17264, 18592, 18928, 19422, 20916, 21294, 22659, 23904, 24336, 25896, 26208, 27888, 28054, 28392, 30212, 34528, 37856, 38844, 41832, 42081, 42588, 45318, 48672, 51792, 55776, 56108, 56784, 60424, 67977, 77688, 83664, 84162, 85176, 90636, 98189, 103584, 112216, 113568, 120848, 126243, 135954, 155376, 167328, 168324, 170352, 181272, 196378, 224432, 241696, 252486, 271908, 294567, 310752, 336648, 340704, 362544, 392756, 448864, 504972, 543816, 589134, 673296, 725088, 785512, 883701, 1009944, 1087632, 1178268, 1346592, 1571024, 1767402, 2019888, 2175264, 2356536, 3142048, 3534804, 4039776, 4713072, 7069608, 9426144, 14139216, 28278432]

約数ペア:

[(1, 28278432), (2, 14139216), (3, 9426144), (4, 7069608), (6, 4713072), (7, 4039776), (8, 3534804), (9, 3142048), (12, 2356536), (13, 2175264), (14, 2019888), (16, 1767402), (18, 1571024), (21, 1346592), (24, 1178268), (26, 1087632), (28, 1009944), (32, 883701), (36, 785512), (39, 725088), (42, 673296), (48, 589134), (52, 543816), (56, 504972), (63, 448864), (72, 392756), (78, 362544), (83, 340704), (84, 336648), (91, 310752), (96, 294567), (104, 271908), (112, 252486), (117, 241696), (126, 224432), (144, 196378), (156, 181272), (166, 170352), (168, 168324), (169, 167328), (182, 155376), (208, 135954), (224, 126243), (234, 120848), (249, 113568), (252, 112216), (273, 103584), (288, 98189), (312, 90636), (332, 85176), (336, 84162), (338, 83664), (364, 77688), (416, 67977), (468, 60424), (498, 56784), (504, 56108), (507, 55776), (546, 51792), (581, 48672), (624, 45318), (664, 42588), (672, 42081), (676, 41832), (728, 38844), (747, 37856), (819, 34528), (936, 30212), (996, 28392), (1008, 28054), (1014, 27888), (1079, 26208), (1092, 25896), (1162, 24336), (1183, 23904), (1248, 22659), (1328, 21294), (1352, 20916), (1456, 19422), (1494, 18928), (1521, 18592), (1638, 17264), (1743, 16224), (1872, 15106), (1992, 14196), (2016, 14027), (2028, 13944), (2158, 13104), (2184, 12948), (2324, 12168), (2366, 11952), (2656, 10647), (2704, 10458), (2912, 9711), (2988, 9464), (3042, 9296), (3237, 8736), (3276, 8632), (3486, 8112), (3549, 7968), (3744, 7553), (3984, 7098), (4056, 6972), (4316, 6552), (4368, 6474), (4648, 6084), (4732, 5976), (5229, 5408)]