28980575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3877}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 40393248

約数和(自身を除く): 11412673

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 3877, 7475, 19385, 50401, 89171, 96925, 252005, 445855, 1159223, 1260025, 2229275, 5796115, 28980575]

約数ペア:

[(1, 28980575), (5, 5796115), (13, 2229275), (23, 1260025), (25, 1159223), (65, 445855), (115, 252005), (299, 96925), (325, 89171), (575, 50401), (1495, 19385), (3877, 7475)]