13121222

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 20181744

約数和(自身を除く): 7060522

約数列:

[1, 2, 61, 122, 131, 262, 821, 1642, 7991, 15982, 50081, 100162, 107551, 215102, 6560611, 13121222]

約数ペア:

[(1, 13121222), (2, 6560611), (61, 215102), (122, 107551), (131, 100162), (262, 50081), (821, 15982), (1642, 7991)]