72438457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^2$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 91323456

約数和(自身を除く): 18884999

約数列:

[1, 7, 13, 67, 91, 109, 469, 763, 871, 1417, 6097, 7303, 9919, 11881, 51121, 83167, 94939, 154453, 664573, 796027, 1081171, 5572189, 10348351, 72438457]

約数ペア:

[(1, 72438457), (7, 10348351), (13, 5572189), (67, 1081171), (91, 796027), (109, 664573), (469, 154453), (763, 94939), (871, 83167), (1417, 51121), (6097, 11881), (7303, 9919)]