408064462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{123581}}^1$

素因数の和:123723

約数の個数: 16

約数和(自身を含む): 664376832

約数和(自身を除く): 256312370

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 123581, 247162, 1606553, 3213106, 15694787, 31389574, 204032231, 408064462]

約数ペア:

[(1, 408064462), (2, 204032231), (13, 31389574), (26, 15694787), (127, 3213106), (254, 1606553), (1651, 247162), (3302, 123581)]