90293918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 159691392

約数和(自身を除く): 69397474

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 491, 643, 982, 1286, 5401, 6383, 7073, 8359, 10802, 12766, 14146, 16718, 70213, 91949, 140426, 183898, 315713, 631426, 3472843, 4104269, 6945686, 8208538, 45146959, 90293918]

約数ペア:

[(1, 90293918), (2, 45146959), (11, 8208538), (13, 6945686), (22, 4104269), (26, 3472843), (143, 631426), (286, 315713), (491, 183898), (643, 140426), (982, 91949), (1286, 70213), (5401, 16718), (6383, 14146), (7073, 12766), (8359, 10802)]