247942630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{18517}}^1$

素因数の和:18640

約数の個数: 32

約数和(自身を含む): 485319744

約数和(自身を除く): 237377114

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390, 18517, 37034, 92585, 185170, 240721, 481442, 1203605, 1907251, 2407210, 3814502, 9536255, 19072510, 24794263, 49588526, 123971315, 247942630]

約数ペア:

[(1, 247942630), (2, 123971315), (5, 49588526), (10, 24794263), (13, 19072510), (26, 9536255), (65, 3814502), (103, 2407210), (130, 1907251), (206, 1203605), (515, 481442), (1030, 240721), (1339, 185170), (2678, 92585), (6695, 37034), (13390, 18517)]