639532008

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^2\times {\mathrm{4021}}^1$

素因数の和:4127

約数の個数: 72

約数和(自身を含む): 1770142530

約数和(自身を除く): 1130610522

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 2209, 3384, 4021, 4418, 6627, 8042, 8836, 12063, 13254, 16084, 17672, 19881, 24126, 26508, 32168, 36189, 39762, 48252, 53016, 72378, 79524, 96504, 144756, 159048, 188987, 289512, 377974, 566961, 755948, 1133922, 1511896, 1700883, 2267844, 3401766, 4535688, 6803532, 8882389, 13607064, 17764778, 26647167, 35529556, 53294334, 71059112, 79941501, 106588668, 159883002, 213177336, 319766004, 639532008]

約数ペア:

[(1, 639532008), (2, 319766004), (3, 213177336), (4, 159883002), (6, 106588668), (8, 79941501), (9, 71059112), (12, 53294334), (18, 35529556), (24, 26647167), (36, 17764778), (47, 13607064), (72, 8882389), (94, 6803532), (141, 4535688), (188, 3401766), (282, 2267844), (376, 1700883), (423, 1511896), (564, 1133922), (846, 755948), (1128, 566961), (1692, 377974), (2209, 289512), (3384, 188987), (4021, 159048), (4418, 144756), (6627, 96504), (8042, 79524), (8836, 72378), (12063, 53016), (13254, 48252), (16084, 39762), (17672, 36189), (19881, 32168), (24126, 26508)]