64742425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 87976512

約数和(自身を除く): 23234087

約数列:

[1, 5, 11, 25, 55, 275, 311, 757, 1555, 3421, 3785, 7775, 8327, 17105, 18925, 41635, 85525, 208175, 235427, 1177135, 2589697, 5885675, 12948485, 64742425]

約数ペア:

[(1, 64742425), (5, 12948485), (11, 5885675), (25, 2589697), (55, 1177135), (275, 235427), (311, 208175), (757, 85525), (1555, 41635), (3421, 18925), (3785, 17105), (7775, 8327)]