161777668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{8123}}^1$

素因数の和:8523

約数の個数: 24

約数和(自身を含む): 305722368

約数和(自身を除く): 143944700

約数列:

[1, 2, 4, 13, 26, 52, 383, 766, 1532, 4979, 8123, 9958, 16246, 19916, 32492, 105599, 211198, 422396, 3111109, 6222218, 12444436, 40444417, 80888834, 161777668]

約数ペア:

[(1, 161777668), (2, 80888834), (4, 40444417), (13, 12444436), (26, 6222218), (52, 3111109), (383, 422396), (766, 211198), (1532, 105599), (4979, 32492), (8123, 19916), (9958, 16246)]