40139561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 52370688

約数和(自身を除く): 12231127

約数列:

[1, 7, 11, 37, 73, 77, 193, 259, 407, 511, 803, 1351, 2123, 2701, 2849, 5621, 7141, 14089, 14861, 18907, 29711, 49987, 78551, 98623, 154979, 207977, 521293, 549857, 1084853, 3649051, 5734223, 40139561]

約数ペア:

[(1, 40139561), (7, 5734223), (11, 3649051), (37, 1084853), (73, 549857), (77, 521293), (193, 207977), (259, 154979), (407, 98623), (511, 78551), (803, 49987), (1351, 29711), (2123, 18907), (2701, 14861), (2849, 14089), (5621, 7141)]