1990040208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3189167}}^1$

素因数の和:3189191

約数の個数: 40

約数和(自身を含む): 5536395648

約数和(自身を除く): 3546355440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 3189167, 6378334, 9567501, 12756668, 19135002, 25513336, 38270004, 41459171, 51026672, 76540008, 82918342, 124377513, 153080016, 165836684, 248755026, 331673368, 497510052, 663346736, 995020104, 1990040208]

約数ペア:

[(1, 1990040208), (2, 995020104), (3, 663346736), (4, 497510052), (6, 331673368), (8, 248755026), (12, 165836684), (13, 153080016), (16, 124377513), (24, 82918342), (26, 76540008), (39, 51026672), (48, 41459171), (52, 38270004), (78, 25513336), (104, 19135002), (156, 12756668), (208, 9567501), (312, 6378334), (624, 3189167)]