80874815

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 34693825

約数列:

[1, 5, 7, 31, 35, 131, 155, 217, 569, 655, 917, 1085, 2845, 3983, 4061, 4585, 17639, 19915, 20305, 28427, 74539, 88195, 123473, 142135, 372695, 521773, 617365, 2310709, 2608865, 11553545, 16174963, 80874815]

約数ペア:

[(1, 80874815), (5, 16174963), (7, 11553545), (31, 2608865), (35, 2310709), (131, 617365), (155, 521773), (217, 372695), (569, 142135), (655, 123473), (917, 88195), (1085, 74539), (2845, 28427), (3983, 20305), (4061, 19915), (4585, 17639)]