645814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 16

約数和(自身を含む): 1063440

約数和(自身を除く): 417626

約数列:

[1, 2, 13, 26, 59, 118, 421, 767, 842, 1534, 5473, 10946, 24839, 49678, 322907, 645814]

約数ペア:

[(1, 645814), (2, 322907), (13, 49678), (26, 24839), (59, 10946), (118, 5473), (421, 1534), (767, 842)]