86471870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{210907}}^1$

素因数の和:210955

約数の個数: 16

約数和(自身を含む): 159446448

約数和(自身を除く): 72974578

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 210907, 421814, 1054535, 2109070, 8647187, 17294374, 43235935, 86471870]

約数ペア:

[(1, 86471870), (2, 43235935), (5, 17294374), (10, 8647187), (41, 2109070), (82, 1054535), (205, 421814), (410, 210907)]