90711575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3499}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 121086000

約数和(自身を除く): 30374425

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 3499, 5185, 17495, 25925, 59483, 87475, 213439, 297415, 1067195, 1487075, 3628463, 5335975, 18142315, 90711575]

約数ペア:

[(1, 90711575), (5, 18142315), (17, 5335975), (25, 3628463), (61, 1487075), (85, 1067195), (305, 297415), (425, 213439), (1037, 87475), (1525, 59483), (3499, 25925), (5185, 17495)]