1640680644

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{20563}}^1$

素因数の和:20740

約数の個数: 48

約数和(自身を含む): 3926901440

約数和(自身を除く): 2286220796

約数列:

[1, 2, 3, 4, 6, 12, 61, 109, 122, 183, 218, 244, 327, 366, 436, 654, 732, 1308, 6649, 13298, 19947, 20563, 26596, 39894, 41126, 61689, 79788, 82252, 123378, 246756, 1254343, 2241367, 2508686, 3763029, 4482734, 5017372, 6724101, 7526058, 8965468, 13448202, 15052116, 26896404, 136723387, 273446774, 410170161, 546893548, 820340322, 1640680644]

約数ペア:

[(1, 1640680644), (2, 820340322), (3, 546893548), (4, 410170161), (6, 273446774), (12, 136723387), (61, 26896404), (109, 15052116), (122, 13448202), (183, 8965468), (218, 7526058), (244, 6724101), (327, 5017372), (366, 4482734), (436, 3763029), (654, 2508686), (732, 2241367), (1308, 1254343), (6649, 246756), (13298, 123378), (19947, 82252), (20563, 79788), (26596, 61689), (39894, 41126)]