157891890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404851}}^1$

素因数の和:404874

約数の個数: 32

約数和(自身を含む): 408090816

約数和(自身を除く): 250198926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 404851, 809702, 1214553, 2024255, 2429106, 4048510, 5263063, 6072765, 10526126, 12145530, 15789189, 26315315, 31578378, 52630630, 78945945, 157891890]

約数ペア:

[(1, 157891890), (2, 78945945), (3, 52630630), (5, 31578378), (6, 26315315), (10, 15789189), (13, 12145530), (15, 10526126), (26, 6072765), (30, 5263063), (39, 4048510), (65, 2429106), (78, 2024255), (130, 1214553), (195, 809702), (390, 404851)]