221124772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{56467}}^1$

素因数の和:56571

約数の個数: 24

約数和(自身を含む): 426898080

約数和(自身を除く): 205773308

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 56467, 112934, 225868, 621137, 1242274, 2484548, 5025563, 10051126, 20102252, 55281193, 110562386, 221124772]

約数ペア:

[(1, 221124772), (2, 110562386), (4, 55281193), (11, 20102252), (22, 10051126), (44, 5025563), (89, 2484548), (178, 1242274), (356, 621137), (979, 225868), (1958, 112934), (3916, 56467)]