129371110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1291}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 254513664

約数和(自身を除く): 125142554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 911, 1291, 1822, 2582, 4555, 6455, 9110, 10021, 12910, 14201, 20042, 28402, 50105, 71005, 100210, 142010, 1176101, 2352202, 5880505, 11761010, 12937111, 25874222, 64685555, 129371110]

約数ペア:

[(1, 129371110), (2, 64685555), (5, 25874222), (10, 12937111), (11, 11761010), (22, 5880505), (55, 2352202), (110, 1176101), (911, 142010), (1291, 100210), (1822, 71005), (2582, 50105), (4555, 28402), (6455, 20042), (9110, 14201), (10021, 12910)]