168683990

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{123127}}^1$

素因数の和:123271

約数の個数: 16

約数和(自身を含む): 305849952

約数和(自身を除く): 137165962

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 123127, 246254, 615635, 1231270, 16868399, 33736798, 84341995, 168683990]

約数ペア:

[(1, 168683990), (2, 84341995), (5, 33736798), (10, 16868399), (137, 1231270), (274, 615635), (685, 246254), (1370, 123127)]