68724815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{641}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 84774816

約数和(自身を除く): 16050001

約数列:

[1, 5, 41, 205, 523, 641, 2615, 3205, 21443, 26281, 107215, 131405, 335243, 1676215, 13744963, 68724815]

約数ペア:

[(1, 68724815), (5, 13744963), (41, 1676215), (205, 335243), (523, 131405), (641, 107215), (2615, 26281), (3205, 21443)]