71326507

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 20

約数和(自身を含む): 84747056

約数和(自身を除く): 13420549

約数列:

[1, 7, 49, 61, 343, 427, 487, 2401, 2989, 3409, 20923, 23863, 29707, 146461, 167041, 207949, 1169287, 1455643, 10189501, 71326507]

約数ペア:

[(1, 71326507), (7, 10189501), (49, 1455643), (61, 1169287), (343, 207949), (427, 167041), (487, 146461), (2401, 29707), (2989, 23863), (3409, 20923)]