40497626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 69867840

約数和(自身を除く): 29370214

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 949, 1123, 1387, 1898, 2246, 2774, 14599, 18031, 21337, 29198, 36062, 42674, 81979, 163958, 277381, 554762, 1065727, 1557601, 2131454, 3115202, 20248813, 40497626]

約数ペア:

[(1, 40497626), (2, 20248813), (13, 3115202), (19, 2131454), (26, 1557601), (38, 1065727), (73, 554762), (146, 277381), (247, 163958), (494, 81979), (949, 42674), (1123, 36062), (1387, 29198), (1898, 21337), (2246, 18031), (2774, 14599)]