254173660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977591}}^1$

素因数の和:977613

約数の個数: 24

約数和(自身を含む): 574824096

約数和(自身を除く): 320650436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 977591, 1955182, 3910364, 4887955, 9775910, 12708683, 19551820, 25417366, 50834732, 63543415, 127086830, 254173660]

約数ペア:

[(1, 254173660), (2, 127086830), (4, 63543415), (5, 50834732), (10, 25417366), (13, 19551820), (20, 12708683), (26, 9775910), (52, 4887955), (65, 3910364), (130, 1955182), (260, 977591)]