31020605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 15739075

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 385, 409, 985, 1379, 2045, 2167, 2863, 4499, 6895, 10835, 14315, 15169, 22495, 31493, 75845, 80573, 157465, 402865, 564011, 886303, 2820055, 4431515, 6204121, 31020605]

約数ペア:

[(1, 31020605), (5, 6204121), (7, 4431515), (11, 2820055), (35, 886303), (55, 564011), (77, 402865), (197, 157465), (385, 80573), (409, 75845), (985, 31493), (1379, 22495), (2045, 15169), (2167, 14315), (2863, 10835), (4499, 6895)]