81091685

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 104855040

約数和(自身を除く): 23763355

約数列:

[1, 5, 29, 47, 73, 145, 163, 235, 365, 815, 1363, 2117, 3431, 4727, 6815, 7661, 10585, 11899, 17155, 23635, 38305, 59495, 99499, 222169, 345071, 497495, 559253, 1110845, 1725355, 2796265, 16218337, 81091685]

約数ペア:

[(1, 81091685), (5, 16218337), (29, 2796265), (47, 1725355), (73, 1110845), (145, 559253), (163, 497495), (235, 345071), (365, 222169), (815, 99499), (1363, 59495), (2117, 38305), (3431, 23635), (4727, 17155), (6815, 11899), (7661, 10585)]