168521678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3833}}^1$

素因数の和:3956

約数の個数: 32

約数和(自身を含む): 289850400

約数和(自身を除く): 121328722

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 494, 1157, 1691, 2314, 3382, 3833, 7666, 21983, 43966, 49829, 72827, 99658, 145654, 341137, 682274, 946751, 1893502, 4434781, 6481603, 8869562, 12963206, 84260839, 168521678]

約数ペア:

[(1, 168521678), (2, 84260839), (13, 12963206), (19, 8869562), (26, 6481603), (38, 4434781), (89, 1893502), (178, 946751), (247, 682274), (494, 341137), (1157, 145654), (1691, 99658), (2314, 72827), (3382, 49829), (3833, 43966), (7666, 21983)]