15890012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{65123}}^1$

素因数の和:65188

約数の個数: 12

約数和(自身を含む): 28263816

約数和(自身を除く): 12373804

約数列:

[1, 2, 4, 61, 122, 244, 65123, 130246, 260492, 3972503, 7945006, 15890012]

約数ペア:

[(1, 15890012), (2, 7945006), (4, 3972503), (61, 260492), (122, 130246), (244, 65123)]