28562768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137321}}^1$

素因数の和:137342

約数の個数: 20

約数和(自身を含む): 59597748

約数和(自身を除く): 31034980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137321, 274642, 549284, 1098568, 1785173, 2197136, 3570346, 7140692, 14281384, 28562768]

約数ペア:

[(1, 28562768), (2, 14281384), (4, 7140692), (8, 3570346), (13, 2197136), (16, 1785173), (26, 1098568), (52, 549284), (104, 274642), (208, 137321)]