645867912

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{32939}}^1$

素因数の和:33010

約数の個数: 64

約数和(自身を含む): 1739232000

約数和(自身を除く): 1093364088

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 43, 57, 76, 86, 114, 129, 152, 172, 228, 258, 344, 456, 516, 817, 1032, 1634, 2451, 3268, 4902, 6536, 9804, 19608, 32939, 65878, 98817, 131756, 197634, 263512, 395268, 625841, 790536, 1251682, 1416377, 1877523, 2503364, 2832754, 3755046, 4249131, 5006728, 5665508, 7510092, 8498262, 11331016, 15020184, 16996524, 26911163, 33993048, 53822326, 80733489, 107644652, 161466978, 215289304, 322933956, 645867912]

約数ペア:

[(1, 645867912), (2, 322933956), (3, 215289304), (4, 161466978), (6, 107644652), (8, 80733489), (12, 53822326), (19, 33993048), (24, 26911163), (38, 16996524), (43, 15020184), (57, 11331016), (76, 8498262), (86, 7510092), (114, 5665508), (129, 5006728), (152, 4249131), (172, 3755046), (228, 2832754), (258, 2503364), (344, 1877523), (456, 1416377), (516, 1251682), (817, 790536), (1032, 625841), (1634, 395268), (2451, 263512), (3268, 197634), (4902, 131756), (6536, 98817), (9804, 65878), (19608, 32939)]