319001150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{490771}}^1$

素因数の和:490796

約数の個数: 24

約数和(自身を含む): 638985144

約数和(自身を除く): 319983994

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 490771, 981542, 2453855, 4907710, 6380023, 12269275, 12760046, 24538550, 31900115, 63800230, 159500575, 319001150]

約数ペア:

[(1, 319001150), (2, 159500575), (5, 63800230), (10, 31900115), (13, 24538550), (25, 12760046), (26, 12269275), (50, 6380023), (65, 4907710), (130, 2453855), (325, 981542), (650, 490771)]