169409825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 230301108

約数和(自身を除く): 60891283

約数列:

[1, 5, 13, 25, 65, 101, 169, 325, 397, 505, 845, 1313, 1985, 2525, 4225, 5161, 6565, 9925, 17069, 25805, 32825, 40097, 67093, 85345, 129025, 200485, 335465, 426725, 521261, 1002425, 1677325, 2606305, 6776393, 13031525, 33881965, 169409825]

約数ペア:

[(1, 169409825), (5, 33881965), (13, 13031525), (25, 6776393), (65, 2606305), (101, 1677325), (169, 1002425), (325, 521261), (397, 426725), (505, 335465), (845, 200485), (1313, 129025), (1985, 85345), (2525, 67093), (4225, 40097), (5161, 32825), (6565, 25805), (9925, 17069)]