159403985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 219596832

約数和(自身を除く): 60192847

約数列:

[1, 5, 13, 17, 65, 85, 181, 221, 797, 905, 1105, 2353, 3077, 3985, 10361, 11765, 13549, 15385, 40001, 51805, 67745, 144257, 176137, 200005, 721285, 880685, 1875341, 2452369, 9376705, 12261845, 31880797, 159403985]

約数ペア:

[(1, 159403985), (5, 31880797), (13, 12261845), (17, 9376705), (65, 2452369), (85, 1875341), (181, 880685), (221, 721285), (797, 200005), (905, 176137), (1105, 144257), (2353, 67745), (3077, 51805), (3985, 40001), (10361, 15385), (11765, 13549)]