638570242

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{16141}}^1$

素因数の和:16425

約数の個数: 16

約数和(自身を含む): 971619264

約数和(自身を除く): 333049022

約数列:

[1, 2, 131, 151, 262, 302, 16141, 19781, 32282, 39562, 2114471, 2437291, 4228942, 4874582, 319285121, 638570242]

約数ペア:

[(1, 638570242), (2, 319285121), (131, 4874582), (151, 4228942), (262, 2437291), (302, 2114471), (16141, 39562), (19781, 32282)]