128532508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{12421}}^1$

素因数の和:12637

約数の個数: 24

約数和(自身を含む): 243471200

約数和(自身を除く): 114938692

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2587, 5174, 10348, 12421, 24842, 49684, 161473, 322946, 645892, 2471779, 4943558, 9887116, 32133127, 64266254, 128532508]

約数ペア:

[(1, 128532508), (2, 64266254), (4, 32133127), (13, 9887116), (26, 4943558), (52, 2471779), (199, 645892), (398, 322946), (796, 161473), (2587, 49684), (5174, 24842), (10348, 12421)]