87365005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 129959424

約数和(自身を除く): 42594419

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 455, 785, 1099, 1223, 2041, 5495, 6115, 8561, 10205, 14287, 15899, 42805, 71435, 79495, 111293, 192011, 556465, 960055, 1344077, 2496143, 6720385, 12480715, 17473001, 87365005]

約数ペア:

[(1, 87365005), (5, 17473001), (7, 12480715), (13, 6720385), (35, 2496143), (65, 1344077), (91, 960055), (157, 556465), (455, 192011), (785, 111293), (1099, 79495), (1223, 71435), (2041, 42805), (5495, 15899), (6115, 14287), (8561, 10205)]