28552784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137273}}^1$

素因数の和:137294

約数の個数: 20

約数和(自身を含む): 59576916

約数和(自身を除く): 31024132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137273, 274546, 549092, 1098184, 1784549, 2196368, 3569098, 7138196, 14276392, 28552784]

約数ペア:

[(1, 28552784), (2, 14276392), (4, 7138196), (8, 3569098), (13, 2196368), (16, 1784549), (26, 1098184), (52, 549092), (104, 274546), (208, 137273)]