13489025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 18415488

約数和(自身を除く): 4926463

約数列:

[1, 5, 11, 25, 55, 181, 271, 275, 905, 1355, 1991, 2981, 4525, 6775, 9955, 14905, 49051, 49775, 74525, 245255, 539561, 1226275, 2697805, 13489025]

約数ペア:

[(1, 13489025), (5, 2697805), (11, 1226275), (25, 539561), (55, 245255), (181, 74525), (271, 49775), (275, 49051), (905, 14905), (1355, 9955), (1991, 6775), (2981, 4525)]