640966704781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2281}}^1\times {\mathrm{222841}}^1$

素因数の和:225232

約数の個数: 16

約数和(自身を含む): 697696909168

約数和(自身を除く): 56730204387

約数列:

[1, 13, 97, 1261, 2281, 29653, 221257, 222841, 2876341, 2896933, 21615577, 281002501, 508300321, 6607904173, 49305131137, 640966704781]

約数ペア:

[(1, 640966704781), (13, 49305131137), (97, 6607904173), (1261, 508300321), (2281, 281002501), (29653, 21615577), (221257, 2896933), (222841, 2876341)]