39951938

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 36

約数和(自身を含む): 69102630

約数和(自身を除く): 29150692

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 289, 338, 409, 442, 578, 818, 2873, 3757, 5317, 5746, 6953, 7514, 10634, 13906, 48841, 69121, 90389, 97682, 118201, 138242, 180778, 236402, 1175057, 1536613, 2350114, 3073226, 19975969, 39951938]

約数ペア:

[(1, 39951938), (2, 19975969), (13, 3073226), (17, 2350114), (26, 1536613), (34, 1175057), (169, 236402), (221, 180778), (289, 138242), (338, 118201), (409, 97682), (442, 90389), (578, 69121), (818, 48841), (2873, 13906), (3757, 10634), (5317, 7514), (5746, 6953)]