917751010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{20399}}^1$

素因数の和:20826

約数の個数: 32

約数和(自身を含む): 1806624000

約数和(自身を除く): 888872990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 8998, 20399, 22495, 40798, 44990, 101995, 203990, 224389, 448778, 1121945, 2243890, 8343191, 16686382, 41715955, 83431910, 91775101, 183550202, 458875505, 917751010]

約数ペア:

[(1, 917751010), (2, 458875505), (5, 183550202), (10, 91775101), (11, 83431910), (22, 41715955), (55, 16686382), (110, 8343191), (409, 2243890), (818, 1121945), (2045, 448778), (4090, 224389), (4499, 203990), (8998, 101995), (20399, 44990), (22495, 40798)]