78828071

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 97320960

約数和(自身を除く): 18492889

約数列:

[1, 7, 31, 47, 59, 131, 217, 329, 413, 917, 1457, 1829, 2773, 4061, 6157, 7729, 10199, 12803, 19411, 28427, 43099, 54103, 85963, 190867, 239599, 363263, 601741, 1336069, 1677193, 2542841, 11261153, 78828071]

約数ペア:

[(1, 78828071), (7, 11261153), (31, 2542841), (47, 1677193), (59, 1336069), (131, 601741), (217, 363263), (329, 239599), (413, 190867), (917, 85963), (1457, 54103), (1829, 43099), (2773, 28427), (4061, 19411), (6157, 12803), (7729, 10199)]