290065848578

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{20809}}^1\times {\mathrm{57601}}^1$

素因数の和:78434

約数の個数: 24

約数和(自身を含む): 478280350380

約数和(自身を除く): 188214501802

約数列:

[1, 2, 11, 22, 121, 242, 20809, 41618, 57601, 115202, 228899, 457798, 633611, 1267222, 2517889, 5035778, 6969721, 13939442, 1198619209, 2397238418, 13184811299, 26369622598, 145032924289, 290065848578]

約数ペア:

[(1, 290065848578), (2, 145032924289), (11, 26369622598), (22, 13184811299), (121, 2397238418), (242, 1198619209), (20809, 13939442), (41618, 6969721), (57601, 5035778), (115202, 2517889), (228899, 1267222), (457798, 633611)]