220158455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 295266816

約数和(自身を除く): 75108361

約数列:

[1, 5, 11, 55, 61, 211, 305, 311, 671, 1055, 1555, 2321, 3355, 3421, 11605, 12871, 17105, 18971, 64355, 65621, 94855, 141581, 208681, 328105, 707905, 721831, 1043405, 3609155, 4002881, 20014405, 44031691, 220158455]

約数ペア:

[(1, 220158455), (5, 44031691), (11, 20014405), (55, 4002881), (61, 3609155), (211, 1043405), (305, 721831), (311, 707905), (671, 328105), (1055, 208681), (1555, 141581), (2321, 94855), (3355, 65621), (3421, 64355), (11605, 18971), (12871, 17105)]