1393888495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1\times {\mathrm{4049}}^1$

素因数の和:6306

約数の個数: 16

約数和(自身を含む): 1727827200

約数和(自身を除く): 333938705

約数列:

[1, 5, 31, 155, 2221, 4049, 11105, 20245, 68851, 125519, 344255, 627595, 8992829, 44964145, 278777699, 1393888495]

約数ペア:

[(1, 1393888495), (5, 278777699), (31, 44964145), (155, 8992829), (2221, 627595), (4049, 344255), (11105, 125519), (20245, 68851)]