1661566796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 3106709760

約数和(自身を除く): 1445142964

約数列:

[1, 2, 4, 19, 38, 76, 131, 157, 262, 314, 524, 628, 1063, 2126, 2489, 2983, 4252, 4978, 5966, 9956, 11932, 20197, 20567, 40394, 41134, 80788, 82268, 139253, 166891, 278506, 333782, 390773, 557012, 667564, 781546, 1563092, 2645807, 3170929, 5291614, 6341858, 10583228, 12683716, 21862721, 43725442, 87450884, 415391699, 830783398, 1661566796]

約数ペア:

[(1, 1661566796), (2, 830783398), (4, 415391699), (19, 87450884), (38, 43725442), (76, 21862721), (131, 12683716), (157, 10583228), (262, 6341858), (314, 5291614), (524, 3170929), (628, 2645807), (1063, 1563092), (2126, 781546), (2489, 667564), (2983, 557012), (4252, 390773), (4978, 333782), (5966, 278506), (9956, 166891), (11932, 139253), (20197, 82268), (20567, 80788), (40394, 41134)]