641851714

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1478921}}^1$

素因数の和:1478961

約数の個数: 16

約数和(自身を含む): 1135812096

約数和(自身を除く): 493960382

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 1478921, 2957842, 10352447, 20704894, 45846551, 91693102, 320925857, 641851714]

約数ペア:

[(1, 641851714), (2, 320925857), (7, 91693102), (14, 45846551), (31, 20704894), (62, 10352447), (217, 2957842), (434, 1478921)]