818686

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 1436400

約数和(自身を除く): 617714

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 199, 242, 374, 398, 2057, 2189, 3383, 4114, 4378, 6766, 24079, 37213, 48158, 74426, 409343, 818686]

約数ペア:

[(1, 818686), (2, 409343), (11, 74426), (17, 48158), (22, 37213), (34, 24079), (121, 6766), (187, 4378), (199, 4114), (242, 3383), (374, 2189), (398, 2057)]