64031825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17911}}^1$

素因数の和:17945

約数の個数: 24

約数和(自身を含む): 93285696

約数和(自身を除く): 29253871

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 17911, 89555, 197021, 232843, 447775, 985105, 1164215, 2561273, 4925525, 5821075, 12806365, 64031825]

約数ペア:

[(1, 64031825), (5, 12806365), (11, 5821075), (13, 4925525), (25, 2561273), (55, 1164215), (65, 985105), (143, 447775), (275, 232843), (325, 197021), (715, 89555), (3575, 17911)]