90987485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 33117475

約数列:

[1, 5, 17, 19, 53, 85, 95, 265, 323, 901, 1007, 1063, 1615, 4505, 5035, 5315, 17119, 18071, 20197, 56339, 85595, 90355, 100985, 281695, 343349, 957763, 1070441, 1716745, 4788815, 5352205, 18197497, 90987485]

約数ペア:

[(1, 90987485), (5, 18197497), (17, 5352205), (19, 4788815), (53, 1716745), (85, 1070441), (95, 957763), (265, 343349), (323, 281695), (901, 100985), (1007, 90355), (1063, 85595), (1615, 56339), (4505, 20197), (5035, 18071), (5315, 17119)]