261334390

素因数分解:

$2^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{17551}}^1$

素因数の和:19047

約数の個数: 16

約数和(自身を含む): 470744640

約数和(自身を除く): 209410250

約数列:

[1, 2, 5, 10, 1489, 2978, 7445, 14890, 17551, 35102, 87755, 175510, 26133439, 52266878, 130667195, 261334390]

約数ペア:

[(1, 261334390), (2, 130667195), (5, 52266878), (10, 26133439), (1489, 175510), (2978, 87755), (7445, 35102), (14890, 17551)]