25471312

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{8081}}^1$

素因数の和:8286

約数の個数: 20

約数和(自身を含む): 49607316

約数和(自身を除く): 24136004

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 8081, 16162, 32324, 64648, 129296, 1591957, 3183914, 6367828, 12735656, 25471312]

約数ペア:

[(1, 25471312), (2, 12735656), (4, 6367828), (8, 3183914), (16, 1591957), (197, 129296), (394, 64648), (788, 32324), (1576, 16162), (3152, 8081)]