289243525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12841}}^1$

素因数の和:12921

約数の個数: 24

約数和(自身を含む): 386955144

約数和(自身を除く): 97711619

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 1325, 4505, 12841, 22525, 64205, 218297, 321025, 680573, 1091485, 3402865, 5457425, 11569741, 17014325, 57848705, 289243525]

約数ペア:

[(1, 289243525), (5, 57848705), (17, 17014325), (25, 11569741), (53, 5457425), (85, 3402865), (265, 1091485), (425, 680573), (901, 321025), (1325, 218297), (4505, 64205), (12841, 22525)]