223663489

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{7121}}^1$

素因数の和:7776

約数の個数: 12

約数和(自身を含む): 260622468

約数和(自身を除く): 36958979

約数列:

[1, 7, 49, 641, 4487, 7121, 31409, 49847, 348929, 4564561, 31951927, 223663489]

約数ペア:

[(1, 223663489), (7, 31951927), (49, 4564561), (641, 348929), (4487, 49847), (7121, 31409)]