220897369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{2243}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 275742720

約数和(自身を除く): 54845351

約数列:

[1, 7, 11, 77, 1279, 2243, 8953, 14069, 15701, 24673, 98483, 172711, 2868797, 20081579, 31556767, 220897369]

約数ペア:

[(1, 220897369), (7, 31556767), (11, 20081579), (77, 2868797), (1279, 172711), (2243, 98483), (8953, 24673), (14069, 15701)]