16805945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 23442048

約数和(自身を除く): 6636103

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 227, 335, 871, 1105, 1135, 1139, 2951, 3859, 4355, 5695, 14755, 14807, 15209, 19295, 50167, 74035, 76045, 197717, 250835, 258553, 988585, 1292765, 3361189, 16805945]

約数ペア:

[(1, 16805945), (5, 3361189), (13, 1292765), (17, 988585), (65, 258553), (67, 250835), (85, 197717), (221, 76045), (227, 74035), (335, 50167), (871, 19295), (1105, 15209), (1135, 14807), (1139, 14755), (2951, 5695), (3859, 4355)]