178628502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2297}}^1$

素因数の和:3312

約数の個数: 32

約数和(自身を含む): 385291872

約数和(自身を除く): 206663370

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 997, 1994, 2297, 2991, 4594, 5982, 6891, 12961, 13782, 25922, 29861, 38883, 59722, 77766, 89583, 179166, 2290109, 4580218, 6870327, 13740654, 29771417, 59542834, 89314251, 178628502]

約数ペア:

[(1, 178628502), (2, 89314251), (3, 59542834), (6, 29771417), (13, 13740654), (26, 6870327), (39, 4580218), (78, 2290109), (997, 179166), (1994, 89583), (2297, 77766), (2991, 59722), (4594, 38883), (5982, 29861), (6891, 25922), (12961, 13782)]