90205904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 180196800

約数和(自身を除く): 89990896

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 199, 328, 398, 656, 691, 796, 1382, 1592, 2764, 3184, 5528, 8159, 11056, 16318, 28331, 32636, 56662, 65272, 113324, 130544, 137509, 226648, 275018, 453296, 550036, 1100072, 2200144, 5637869, 11275738, 22551476, 45102952, 90205904]

約数ペア:

[(1, 90205904), (2, 45102952), (4, 22551476), (8, 11275738), (16, 5637869), (41, 2200144), (82, 1100072), (164, 550036), (199, 453296), (328, 275018), (398, 226648), (656, 137509), (691, 130544), (796, 113324), (1382, 65272), (1592, 56662), (2764, 32636), (3184, 28331), (5528, 16318), (8159, 11056)]