216979616

素因数分解:

$2^5\times 7^1\times {\mathrm{968659}}^1$

素因数の和:968676

約数の個数: 24

約数和(自身を含む): 488204640

約数和(自身を除く): 271225024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 968659, 1937318, 3874636, 6780613, 7749272, 13561226, 15498544, 27122452, 30997088, 54244904, 108489808, 216979616]

約数ペア:

[(1, 216979616), (2, 108489808), (4, 54244904), (7, 30997088), (8, 27122452), (14, 15498544), (16, 13561226), (28, 7749272), (32, 6780613), (56, 3874636), (112, 1937318), (224, 968659)]