639772392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 1874165760

約数和(自身を除く): 1234393368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 163, 168, 183, 244, 326, 366, 383, 427, 488, 489, 652, 732, 766, 854, 978, 1141, 1149, 1281, 1304, 1464, 1532, 1708, 1956, 2282, 2298, 2562, 2681, 3064, 3416, 3423, 3912, 4564, 4596, 5124, 5362, 6846, 8043, 9128, 9192, 9943, 10248, 10724, 13692, 16086, 19886, 21448, 23363, 27384, 29829, 32172, 39772, 46726, 59658, 62429, 64344, 69601, 70089, 79544, 93452, 119316, 124858, 139202, 140178, 163541, 186904, 187287, 208803, 238632, 249716, 278404, 280356, 327082, 374574, 417606, 437003, 490623, 499432, 556808, 560712, 654164, 749148, 835212, 874006, 981246, 1308328, 1311009, 1498296, 1670424, 1748012, 1962492, 2622018, 3496024, 3808169, 3924984, 5244036, 7616338, 10488072, 11424507, 15232676, 22849014, 26657183, 30465352, 45698028, 53314366, 79971549, 91396056, 106628732, 159943098, 213257464, 319886196, 639772392]

約数ペア:

[(1, 639772392), (2, 319886196), (3, 213257464), (4, 159943098), (6, 106628732), (7, 91396056), (8, 79971549), (12, 53314366), (14, 45698028), (21, 30465352), (24, 26657183), (28, 22849014), (42, 15232676), (56, 11424507), (61, 10488072), (84, 7616338), (122, 5244036), (163, 3924984), (168, 3808169), (183, 3496024), (244, 2622018), (326, 1962492), (366, 1748012), (383, 1670424), (427, 1498296), (488, 1311009), (489, 1308328), (652, 981246), (732, 874006), (766, 835212), (854, 749148), (978, 654164), (1141, 560712), (1149, 556808), (1281, 499432), (1304, 490623), (1464, 437003), (1532, 417606), (1708, 374574), (1956, 327082), (2282, 280356), (2298, 278404), (2562, 249716), (2681, 238632), (3064, 208803), (3416, 187287), (3423, 186904), (3912, 163541), (4564, 140178), (4596, 139202), (5124, 124858), (5362, 119316), (6846, 93452), (8043, 79544), (9128, 70089), (9192, 69601), (9943, 64344), (10248, 62429), (10724, 59658), (13692, 46726), (16086, 39772), (19886, 32172), (21448, 29829), (23363, 27384)]