31815394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 54359424

約数和(自身を除く): 22544030

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 299, 598, 641, 1079, 1282, 1909, 2158, 3818, 8333, 14743, 16666, 24817, 29486, 49634, 53203, 106406, 191659, 383318, 691639, 1223669, 1383278, 2447338, 15907697, 31815394]

約数ペア:

[(1, 31815394), (2, 15907697), (13, 2447338), (23, 1383278), (26, 1223669), (46, 691639), (83, 383318), (166, 191659), (299, 106406), (598, 53203), (641, 49634), (1079, 29486), (1282, 24817), (1909, 16666), (2158, 14743), (3818, 8333)]