40538953

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 51941120

約数和(自身を除く): 11402167

約数列:

[1, 7, 13, 61, 67, 91, 109, 427, 469, 763, 793, 871, 1417, 4087, 5551, 6097, 6649, 7303, 9919, 28609, 46543, 51121, 53131, 86437, 94939, 371917, 445483, 605059, 664573, 3118381, 5791279, 40538953]

約数ペア:

[(1, 40538953), (7, 5791279), (13, 3118381), (61, 664573), (67, 605059), (91, 445483), (109, 371917), (427, 94939), (469, 86437), (763, 53131), (793, 51121), (871, 46543), (1417, 28609), (4087, 9919), (5551, 7303), (6097, 6649)]