217965110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{9391}}^1$

素因数の和:9620

約数の個数: 32

約数和(自身を含む): 430078464

約数和(自身を除く): 212113354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 4642, 9391, 11605, 18782, 23210, 46955, 93910, 103301, 206602, 516505, 1033010, 1981501, 3963002, 9907505, 19815010, 21796511, 43593022, 108982555, 217965110]

約数ペア:

[(1, 217965110), (2, 108982555), (5, 43593022), (10, 21796511), (11, 19815010), (22, 9907505), (55, 3963002), (110, 1981501), (211, 1033010), (422, 516505), (1055, 206602), (2110, 103301), (2321, 93910), (4642, 46955), (9391, 23210), (11605, 18782)]