138664370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{36781}}^1$

素因数の和:36830

約数の個数: 32

約数和(自身を含む): 278071920

約数和(自身を除く): 139407550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 36781, 73562, 183905, 367810, 478153, 956306, 1066649, 2133298, 2390765, 4781530, 5333245, 10666490, 13866437, 27732874, 69332185, 138664370]

約数ペア:

[(1, 138664370), (2, 69332185), (5, 27732874), (10, 13866437), (13, 10666490), (26, 5333245), (29, 4781530), (58, 2390765), (65, 2133298), (130, 1066649), (145, 956306), (290, 478153), (377, 367810), (754, 183905), (1885, 73562), (3770, 36781)]