80781662

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1428

約数の個数: 24

約数和(自身を含む): 131979600

約数和(自身を除く): 51197938

約数列:

[1, 2, 13, 26, 169, 199, 338, 398, 1201, 2402, 2587, 5174, 15613, 31226, 33631, 67262, 202969, 238999, 405938, 477998, 3106987, 6213974, 40390831, 80781662]

約数ペア:

[(1, 80781662), (2, 40390831), (13, 6213974), (26, 3106987), (169, 477998), (199, 405938), (338, 238999), (398, 202969), (1201, 67262), (2402, 33631), (2587, 31226), (5174, 15613)]