129806672

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261707}}^1$

素因数の和:261746

約数の個数: 20

約数和(自身を含む): 259614336

約数和(自身を除く): 129807664

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261707, 523414, 1046828, 2093656, 4187312, 8112917, 16225834, 32451668, 64903336, 129806672]

約数ペア:

[(1, 129806672), (2, 64903336), (4, 32451668), (8, 16225834), (16, 8112917), (31, 4187312), (62, 2093656), (124, 1046828), (248, 523414), (496, 261707)]