206890928

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{18713}}^1$

素因数の和:19412

約数の個数: 20

約数和(自身を含む): 401452728

約数和(自身を除く): 194561800

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 11056, 18713, 37426, 74852, 149704, 299408, 12930683, 25861366, 51722732, 103445464, 206890928]

約数ペア:

[(1, 206890928), (2, 103445464), (4, 51722732), (8, 25861366), (16, 12930683), (691, 299408), (1382, 149704), (2764, 74852), (5528, 37426), (11056, 18713)]