1385226815

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 1990554912

約数和(自身を除く): 605328097

約数列:

[1, 5, 7, 35, 49, 53, 107, 245, 265, 371, 535, 749, 997, 1855, 2597, 3745, 4985, 5243, 5671, 6979, 12985, 26215, 28355, 34895, 39697, 48853, 52841, 106679, 198485, 244265, 264205, 277879, 369887, 533395, 746753, 1389395, 1849435, 2589209, 3733765, 5227271, 5653987, 12946045, 26136355, 28269935, 39577909, 197889545, 277045363, 1385226815]

約数ペア:

[(1, 1385226815), (5, 277045363), (7, 197889545), (35, 39577909), (49, 28269935), (53, 26136355), (107, 12946045), (245, 5653987), (265, 5227271), (371, 3733765), (535, 2589209), (749, 1849435), (997, 1389395), (1855, 746753), (2597, 533395), (3745, 369887), (4985, 277879), (5243, 264205), (5671, 244265), (6979, 198485), (12985, 106679), (26215, 52841), (28355, 48853), (34895, 39697)]