425287775

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{12781}}^1$

素因数の和:12824

約数の個数: 24

約数和(自身を含む): 580098288

約数和(自身を除く): 154810513

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 1331, 3025, 6655, 12781, 33275, 63905, 140591, 319525, 702955, 1546501, 3514775, 7732505, 17011511, 38662525, 85057555, 425287775]

約数ペア:

[(1, 425287775), (5, 85057555), (11, 38662525), (25, 17011511), (55, 7732505), (121, 3514775), (275, 1546501), (605, 702955), (1331, 319525), (3025, 140591), (6655, 63905), (12781, 33275)]