80978378

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{829}}^1$

素因数の和:891

約数の個数: 36

約数和(自身を含む): 139890690

約数和(自身を除く): 58912312

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 289, 338, 442, 578, 829, 1658, 2873, 3757, 5746, 7514, 10777, 14093, 21554, 28186, 48841, 97682, 140101, 183209, 239581, 280202, 366418, 479162, 2381717, 3114553, 4763434, 6229106, 40489189, 80978378]

約数ペア:

[(1, 80978378), (2, 40489189), (13, 6229106), (17, 4763434), (26, 3114553), (34, 2381717), (169, 479162), (221, 366418), (289, 280202), (338, 239581), (442, 183209), (578, 140101), (829, 97682), (1658, 48841), (2873, 28186), (3757, 21554), (5746, 14093), (7514, 10777)]