25898704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124513}}^1$

素因数の和:124534

約数の個数: 20

約数和(自身を含む): 54039076

約数和(自身を除く): 28140372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124513, 249026, 498052, 996104, 1618669, 1992208, 3237338, 6474676, 12949352, 25898704]

約数ペア:

[(1, 25898704), (2, 12949352), (4, 6474676), (8, 3237338), (13, 1992208), (16, 1618669), (26, 996104), (52, 498052), (104, 249026), (208, 124513)]