209117882

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{3491}}^1$

素因数の和:4045

約数の個数: 16

約数和(自身を含む): 319559904

約数和(自身を除く): 110442022

約数列:

[1, 2, 61, 122, 491, 982, 3491, 6982, 29951, 59902, 212951, 425902, 1714081, 3428162, 104558941, 209117882]

約数ペア:

[(1, 209117882), (2, 104558941), (61, 3428162), (122, 1714081), (491, 425902), (982, 212951), (3491, 59902), (6982, 29951)]