321040516

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{7309}}^1$

素因数の和:7531

約数の個数: 24

約数和(自身を含む): 573104000

約数和(自身を除く): 252063484

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 7309, 10981, 14618, 21962, 29236, 43924, 577411, 1015951, 1154822, 2031902, 2309644, 4063804, 80260129, 160520258, 321040516]

約数ペア:

[(1, 321040516), (2, 160520258), (4, 80260129), (79, 4063804), (139, 2309644), (158, 2031902), (278, 1154822), (316, 1015951), (556, 577411), (7309, 43924), (10981, 29236), (14618, 21962)]