689381330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{216107}}^1$

素因数の和:216154

約数の個数: 32

約数和(自身を含む): 1400379840

約数和(自身を除く): 710998510

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 216107, 432214, 1080535, 2161070, 2377177, 4754354, 6267103, 11885885, 12534206, 23771770, 31335515, 62671030, 68938133, 137876266, 344690665, 689381330]

約数ペア:

[(1, 689381330), (2, 344690665), (5, 137876266), (10, 68938133), (11, 62671030), (22, 31335515), (29, 23771770), (55, 12534206), (58, 11885885), (110, 6267103), (145, 4754354), (290, 2377177), (319, 2161070), (638, 1080535), (1595, 432214), (3190, 216107)]