890400004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1499}}^1\times {\mathrm{11423}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 1679328000

約数和(自身を除く): 788927996

約数列:

[1, 2, 4, 13, 26, 52, 1499, 2998, 5996, 11423, 19487, 22846, 38974, 45692, 77948, 148499, 296998, 593996, 17123077, 34246154, 68492308, 222600001, 445200002, 890400004]

約数ペア:

[(1, 890400004), (2, 445200002), (4, 222600001), (13, 68492308), (26, 34246154), (52, 17123077), (1499, 593996), (2998, 296998), (5996, 148499), (11423, 77948), (19487, 45692), (22846, 38974)]