128683996

素因数分解:

$2^2\times 7^4\times {\mathrm{13399}}^1$

素因数の和:13431

約数の個数: 30

約数和(自身を含む): 262733800

約数和(自身を除く): 134049804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 13399, 26798, 53596, 93793, 187586, 375172, 656551, 1313102, 2626204, 4595857, 9191714, 18383428, 32170999, 64341998, 128683996]

約数ペア:

[(1, 128683996), (2, 64341998), (4, 32170999), (7, 18383428), (14, 9191714), (28, 4595857), (49, 2626204), (98, 1313102), (196, 656551), (343, 375172), (686, 187586), (1372, 93793), (2401, 53596), (4802, 26798), (9604, 13399)]