138848255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{761}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 205849728

約数和(自身を除く): 67001473

約数列:

[1, 5, 7, 13, 35, 65, 91, 401, 455, 761, 2005, 2807, 3805, 5213, 5327, 9893, 14035, 26065, 26635, 36491, 49465, 69251, 182455, 305161, 346255, 1525805, 2136127, 3967093, 10680635, 19835465, 27769651, 138848255]

約数ペア:

[(1, 138848255), (5, 27769651), (7, 19835465), (13, 10680635), (35, 3967093), (65, 2136127), (91, 1525805), (401, 346255), (455, 305161), (761, 182455), (2005, 69251), (2807, 49465), (3805, 36491), (5213, 26635), (5327, 26065), (9893, 14035)]