80939261

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 97342560

約数和(自身を除く): 16403299

約数列:

[1, 13, 17, 29, 73, 173, 221, 377, 493, 949, 1241, 2117, 2249, 2941, 5017, 6409, 12629, 16133, 27521, 35989, 38233, 65221, 85289, 164177, 214693, 366241, 467857, 1108757, 2791009, 4761133, 6226097, 80939261]

約数ペア:

[(1, 80939261), (13, 6226097), (17, 4761133), (29, 2791009), (73, 1108757), (173, 467857), (221, 366241), (377, 214693), (493, 164177), (949, 85289), (1241, 65221), (2117, 38233), (2249, 35989), (2941, 27521), (5017, 16133), (6409, 12629)]