16780816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{80677}}^1$

素因数の和:80698

約数の個数: 20

約数和(自身を含む): 35014252

約数和(自身を除く): 18233436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 80677, 161354, 322708, 645416, 1048801, 1290832, 2097602, 4195204, 8390408, 16780816]

約数ペア:

[(1, 16780816), (2, 8390408), (4, 4195204), (8, 2097602), (13, 1290832), (16, 1048801), (26, 645416), (52, 322708), (104, 161354), (208, 80677)]