90988678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{40949}}^1$

素因数の和:41063

約数の個数: 16

約数和(自身を含む): 150368400

約数和(自身を除く): 59379722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 40949, 81898, 450439, 900878, 4135849, 8271698, 45494339, 90988678]

約数ペア:

[(1, 90988678), (2, 45494339), (11, 8271698), (22, 4135849), (101, 900878), (202, 450439), (1111, 81898), (2222, 40949)]