28881925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 8615675

約数列:

[1, 5, 25, 31, 83, 155, 415, 449, 775, 2075, 2245, 2573, 11225, 12865, 13919, 37267, 64325, 69595, 186335, 347975, 931675, 1155277, 5776385, 28881925]

約数ペア:

[(1, 28881925), (5, 5776385), (25, 1155277), (31, 931675), (83, 347975), (155, 186335), (415, 69595), (449, 64325), (775, 37267), (2075, 13919), (2245, 12865), (2573, 11225)]