28719218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{3557}}^1$

素因数の和:3937

約数の個数: 16

約数和(自身を含む): 47136384

約数和(自身を除く): 18417166

約数列:

[1, 2, 11, 22, 367, 734, 3557, 4037, 7114, 8074, 39127, 78254, 1305419, 2610838, 14359609, 28719218]

約数ペア:

[(1, 28719218), (2, 14359609), (11, 2610838), (22, 1305419), (367, 78254), (734, 39127), (3557, 8074), (4037, 7114)]