28395664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161339}}^1$

素因数の和:161358

約数の個数: 20

約数和(自身を含む): 60018480

約数和(自身を除く): 31622816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161339, 322678, 645356, 1290712, 1774729, 2581424, 3549458, 7098916, 14197832, 28395664]

約数ペア:

[(1, 28395664), (2, 14197832), (4, 7098916), (8, 3549458), (11, 2581424), (16, 1774729), (22, 1290712), (44, 645356), (88, 322678), (176, 161339)]