505184186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 825552000

約数和(自身を除く): 320367814

約数列:

[1, 2, 13, 26, 199, 251, 389, 398, 502, 778, 2587, 3263, 5057, 5174, 6526, 10114, 49949, 77411, 97639, 99898, 154822, 195278, 649337, 1006343, 1269307, 1298674, 2012686, 2538614, 19430161, 38860322, 252592093, 505184186]

約数ペア:

[(1, 505184186), (2, 252592093), (13, 38860322), (26, 19430161), (199, 2538614), (251, 2012686), (389, 1298674), (398, 1269307), (502, 1006343), (778, 649337), (2587, 195278), (3263, 154822), (5057, 99898), (5174, 97639), (6526, 77411), (10114, 49949)]