1640259734

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{1451}}^1\times {\mathrm{1453}}^1$

素因数の和:3295

約数の個数: 16

約数和(自身を含む): 2470113360

約数和(自身を除く): 829853626

約数列:

[1, 2, 389, 778, 1451, 1453, 2902, 2906, 564439, 565217, 1128878, 1130434, 2108303, 4216606, 820129867, 1640259734]

約数ペア:

[(1, 1640259734), (2, 820129867), (389, 4216606), (778, 2108303), (1451, 1130434), (1453, 1128878), (2902, 565217), (2906, 564439)]