216888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 620160

約数和(自身を除く): 403272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1291, 2582, 3873, 5164, 7746, 9037, 10328, 15492, 18074, 27111, 30984, 36148, 54222, 72296, 108444, 216888]

約数ペア:

[(1, 216888), (2, 108444), (3, 72296), (4, 54222), (6, 36148), (7, 30984), (8, 27111), (12, 18074), (14, 15492), (21, 10328), (24, 9037), (28, 7746), (42, 5164), (56, 3873), (84, 2582), (168, 1291)]