680940272

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{55343}}^1$

素因数の和:56120

約数の個数: 20

約数和(自身を含む): 1321061280

約数和(自身を除く): 640121008

約数列:

[1, 2, 4, 8, 16, 769, 1538, 3076, 6152, 12304, 55343, 110686, 221372, 442744, 885488, 42558767, 85117534, 170235068, 340470136, 680940272]

約数ペア:

[(1, 680940272), (2, 340470136), (4, 170235068), (8, 85117534), (16, 42558767), (769, 885488), (1538, 442744), (3076, 221372), (6152, 110686), (12304, 55343)]