81236498

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 143434368

約数和(自身を除く): 62197870

約数列:

[1, 2, 7, 14, 41, 82, 287, 307, 461, 574, 614, 922, 2149, 3227, 4298, 6454, 12587, 18901, 25174, 37802, 88109, 132307, 141527, 176218, 264614, 283054, 990689, 1981378, 5802607, 11605214, 40618249, 81236498]

約数ペア:

[(1, 81236498), (2, 40618249), (7, 11605214), (14, 5802607), (41, 1981378), (82, 990689), (287, 283054), (307, 264614), (461, 176218), (574, 141527), (614, 132307), (922, 88109), (2149, 37802), (3227, 25174), (4298, 18901), (6454, 12587)]