221074616

素因数分解:

$2^3\times 7^1\times {\mathrm{881}}^1\times {\mathrm{4481}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 474374880

約数和(自身を除く): 253300264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 881, 1762, 3524, 4481, 6167, 7048, 8962, 12334, 17924, 24668, 31367, 35848, 49336, 62734, 125468, 250936, 3947761, 7895522, 15791044, 27634327, 31582088, 55268654, 110537308, 221074616]

約数ペア:

[(1, 221074616), (2, 110537308), (4, 55268654), (7, 31582088), (8, 27634327), (14, 15791044), (28, 7895522), (56, 3947761), (881, 250936), (1762, 125468), (3524, 62734), (4481, 49336), (6167, 35848), (7048, 31367), (8962, 24668), (12334, 17924)]