28136218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{3623}}^1$

素因数の和:3989

約数の個数: 16

約数和(自身を含む): 46184256

約数和(自身を除く): 18048038

約数列:

[1, 2, 11, 22, 353, 706, 3623, 3883, 7246, 7766, 39853, 79706, 1278919, 2557838, 14068109, 28136218]

約数ペア:

[(1, 28136218), (2, 14068109), (11, 2557838), (22, 1278919), (353, 79706), (706, 39853), (3623, 7766), (3883, 7246)]