642783998

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{23227}}^1$

素因数の和:23467

約数の個数: 16

約数和(自身を含む): 980871984

約数和(自身を除く): 338087986

約数列:

[1, 2, 101, 137, 202, 274, 13837, 23227, 27674, 46454, 2345927, 3182099, 4691854, 6364198, 321391999, 642783998]

約数ペア:

[(1, 642783998), (2, 321391999), (101, 6364198), (137, 4691854), (202, 3182099), (274, 2345927), (13837, 46454), (23227, 27674)]