172910418

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{405893}}^1$

素因数の和:405969

約数の個数: 16

約数和(自身を含む): 350692416

約数和(自身を除く): 177781998

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 405893, 811786, 1217679, 2435358, 28818403, 57636806, 86455209, 172910418]

約数ペア:

[(1, 172910418), (2, 86455209), (3, 57636806), (6, 28818403), (71, 2435358), (142, 1217679), (213, 811786), (426, 405893)]