81669938

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{839}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 148780800

約数和(自身を除く): 67110862

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 409, 818, 839, 1678, 2863, 5726, 5873, 6953, 11746, 13906, 14263, 28526, 48671, 97342, 99841, 199682, 343151, 686302, 2402057, 4804114, 5833567, 11667134, 40834969, 81669938]

約数ペア:

[(1, 81669938), (2, 40834969), (7, 11667134), (14, 5833567), (17, 4804114), (34, 2402057), (119, 686302), (238, 343151), (409, 199682), (818, 99841), (839, 97342), (1678, 48671), (2863, 28526), (5726, 14263), (5873, 13906), (6953, 11746)]