87241675

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 110627840

約数和(自身を除く): 23386165

約数列:

[1, 5, 25, 79, 163, 271, 395, 815, 1355, 1975, 4075, 6775, 12877, 21409, 44173, 64385, 107045, 220865, 321925, 535225, 1104325, 3489667, 17448335, 87241675]

約数ペア:

[(1, 87241675), (5, 17448335), (25, 3489667), (79, 1104325), (163, 535225), (271, 321925), (395, 220865), (815, 107045), (1355, 64385), (1975, 44173), (4075, 21409), (6775, 12877)]