642772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 1241856

約数和(自身を除く): 599084

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 263, 526, 611, 1052, 1222, 2444, 3419, 6838, 12361, 13676, 24722, 49444, 160693, 321386, 642772]

約数ペア:

[(1, 642772), (2, 321386), (4, 160693), (13, 49444), (26, 24722), (47, 13676), (52, 12361), (94, 6838), (188, 3419), (263, 2444), (526, 1222), (611, 1052)]