172904355455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{204620539}}^1$

素因数の和:204620570

約数の個数: 12

約数和(自身を含む): 224673352920

約数和(自身を除く): 51768997465

約数列:

[1, 5, 13, 65, 169, 845, 204620539, 1023102695, 2660067007, 13300335035, 34580871091, 172904355455]

約数ペア:

[(1, 172904355455), (5, 34580871091), (13, 13300335035), (65, 2660067007), (169, 1023102695), (845, 204620539)]