673168390

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 1225018080

約数和(自身を除く): 551849690

約数列:

[1, 2, 5, 10, 131, 262, 389, 655, 778, 1310, 1321, 1945, 2642, 3890, 6605, 13210, 50959, 101918, 173051, 254795, 346102, 509590, 513869, 865255, 1027738, 1730510, 2569345, 5138690, 67316839, 134633678, 336584195, 673168390]

約数ペア:

[(1, 673168390), (2, 336584195), (5, 134633678), (10, 67316839), (131, 5138690), (262, 2569345), (389, 1730510), (655, 1027738), (778, 865255), (1310, 513869), (1321, 509590), (1945, 346102), (2642, 254795), (3890, 173051), (6605, 101918), (13210, 50959)]