808220816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3885677}}^1$

素因数の和:3885698

約数の個数: 20

約数和(自身を含む): 1686384252

約数和(自身を除く): 878163436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3885677, 7771354, 15542708, 31085416, 50513801, 62170832, 101027602, 202055204, 404110408, 808220816]

約数ペア:

[(1, 808220816), (2, 404110408), (4, 202055204), (8, 101027602), (13, 62170832), (16, 50513801), (26, 31085416), (52, 15542708), (104, 7771354), (208, 3885677)]