331428

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 786240

約数和(自身を除く): 454812

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 389, 426, 778, 852, 1167, 1556, 2334, 4668, 27619, 55238, 82857, 110476, 165714, 331428]

約数ペア:

[(1, 331428), (2, 165714), (3, 110476), (4, 82857), (6, 55238), (12, 27619), (71, 4668), (142, 2334), (213, 1556), (284, 1167), (389, 852), (426, 778)]