129051928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{393451}}^1$

素因数の和:393498

約数の個数: 16

約数和(自身を含む): 247874760

約数和(自身を除く): 118822832

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 393451, 786902, 1573804, 3147608, 16131491, 32262982, 64525964, 129051928]

約数ペア:

[(1, 129051928), (2, 64525964), (4, 32262982), (8, 16131491), (41, 3147608), (82, 1573804), (164, 786902), (328, 393451)]