12851605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 17023392

約数和(自身を除く): 4171787

約数列:

[1, 5, 13, 65, 67, 169, 227, 335, 845, 871, 1135, 2951, 4355, 11323, 14755, 15209, 38363, 56615, 76045, 191815, 197717, 988585, 2570321, 12851605]

約数ペア:

[(1, 12851605), (5, 2570321), (13, 988585), (65, 197717), (67, 191815), (169, 76045), (227, 56615), (335, 38363), (845, 15209), (871, 14755), (1135, 11323), (2951, 4355)]