724828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 1397088

約数和(自身を除く): 672260

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 263, 526, 689, 1052, 1378, 2756, 3419, 6838, 13676, 13939, 27878, 55756, 181207, 362414, 724828]

約数ペア:

[(1, 724828), (2, 362414), (4, 181207), (13, 55756), (26, 27878), (52, 13939), (53, 13676), (106, 6838), (212, 3419), (263, 2756), (526, 1378), (689, 1052)]