28131664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159839}}^1$

素因数の和:159858

約数の個数: 20

約数和(自身を含む): 59460480

約数和(自身を除く): 31328816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159839, 319678, 639356, 1278712, 1758229, 2557424, 3516458, 7032916, 14065832, 28131664]

約数ペア:

[(1, 28131664), (2, 14065832), (4, 7032916), (8, 3516458), (11, 2557424), (16, 1758229), (22, 1278712), (44, 639356), (88, 319678), (176, 159839)]