138547045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 209761920

約数和(自身を除く): 71214875

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 169, 295, 397, 413, 455, 767, 845, 1183, 1985, 2065, 2779, 3835, 5161, 5369, 5915, 9971, 13895, 23423, 25805, 26845, 36127, 49855, 67093, 69797, 117115, 163961, 180635, 304499, 335465, 348985, 469651, 819805, 1522495, 2131493, 2348255, 3958487, 10657465, 19792435, 27709409, 138547045]

約数ペア:

[(1, 138547045), (5, 27709409), (7, 19792435), (13, 10657465), (35, 3958487), (59, 2348255), (65, 2131493), (91, 1522495), (169, 819805), (295, 469651), (397, 348985), (413, 335465), (455, 304499), (767, 180635), (845, 163961), (1183, 117115), (1985, 69797), (2065, 67093), (2779, 49855), (3835, 36127), (5161, 26845), (5369, 25805), (5915, 23423), (9971, 13895)]