640162679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{5653}}^1$

素因数の和:5978

約数の個数: 16

約数和(自身を含む): 714303744

約数和(自身を除く): 74141065

約数列:

[1, 13, 31, 281, 403, 3653, 5653, 8711, 73489, 113243, 175243, 1588493, 2278159, 20650409, 49243283, 640162679]

約数ペア:

[(1, 640162679), (13, 49243283), (31, 20650409), (281, 2278159), (403, 1588493), (3653, 175243), (5653, 113243), (8711, 73489)]