72769775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13171}}^1$

素因数の和:13211

約数の個数: 24

約数和(自身を含む): 102899664

約数和(自身を除く): 30129889

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 13171, 65855, 171223, 223907, 329275, 856115, 1119535, 2910791, 4280575, 5597675, 14553955, 72769775]

約数ペア:

[(1, 72769775), (5, 14553955), (13, 5597675), (17, 4280575), (25, 2910791), (65, 1119535), (85, 856115), (221, 329275), (325, 223907), (425, 171223), (1105, 65855), (5525, 13171)]