780604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 1513008

約数和(自身を除く): 732404

約数列:

[1, 2, 4, 11, 22, 44, 113, 157, 226, 314, 452, 628, 1243, 1727, 2486, 3454, 4972, 6908, 17741, 35482, 70964, 195151, 390302, 780604]

約数ペア:

[(1, 780604), (2, 390302), (4, 195151), (11, 70964), (22, 35482), (44, 17741), (113, 6908), (157, 4972), (226, 3454), (314, 2486), (452, 1727), (628, 1243)]