664861393

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{8069}}^1$

素因数の和:8304

約数の個数: 16

約数和(自身を含む): 774720000

約数和(自身を除く): 109858607

約数列:

[1, 7, 79, 149, 553, 1043, 8069, 11771, 56483, 82397, 637451, 1202281, 4462157, 8415967, 94980199, 664861393]

約数ペア:

[(1, 664861393), (7, 94980199), (79, 8415967), (149, 4462157), (553, 1202281), (1043, 637451), (8069, 82397), (11771, 56483)]