172938545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 227013696

約数和(自身を除く): 54075151

約数列:

[1, 5, 13, 65, 103, 169, 515, 845, 1339, 1987, 6695, 9935, 17407, 25831, 87035, 129155, 204661, 335803, 1023305, 1679015, 2660593, 13302965, 34587709, 172938545]

約数ペア:

[(1, 172938545), (5, 34587709), (13, 13302965), (65, 2660593), (103, 1679015), (169, 1023305), (515, 335803), (845, 204661), (1339, 129155), (1987, 87035), (6695, 25831), (9935, 17407)]