91989865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 125448192

約数和(自身を除く): 33458327

約数列:

[1, 5, 11, 31, 55, 155, 163, 331, 341, 815, 1655, 1705, 1793, 3641, 5053, 8965, 10261, 18205, 25265, 51305, 53953, 55583, 112871, 269765, 277915, 564355, 593483, 1672543, 2967415, 8362715, 18397973, 91989865]

約数ペア:

[(1, 91989865), (5, 18397973), (11, 8362715), (31, 2967415), (55, 1672543), (155, 593483), (163, 564355), (331, 277915), (341, 269765), (815, 112871), (1655, 55583), (1705, 53953), (1793, 51305), (3641, 25265), (5053, 18205), (8965, 10261)]