538418881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17351}}^1$

素因数の和:17413

約数の個数: 32

約数和(自身を含む): 746274816

約数和(自身を除く): 207855935

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 17351, 31031, 121457, 190861, 225563, 537881, 1336027, 1578941, 2481193, 3765167, 5916691, 6992453, 17368351, 41416837, 48947171, 76916983, 538418881]

約数ペア:

[(1, 538418881), (7, 76916983), (11, 48947171), (13, 41416837), (31, 17368351), (77, 6992453), (91, 5916691), (143, 3765167), (217, 2481193), (341, 1578941), (403, 1336027), (1001, 537881), (2387, 225563), (2821, 190861), (4433, 121457), (17351, 31031)]