221473612

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{353}}^1\times {\mathrm{1439}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 392515200

約数和(自身を除く): 171041588

約数列:

[1, 2, 4, 109, 218, 353, 436, 706, 1412, 1439, 2878, 5756, 38477, 76954, 153908, 156851, 313702, 507967, 627404, 1015934, 2031868, 55368403, 110736806, 221473612]

約数ペア:

[(1, 221473612), (2, 110736806), (4, 55368403), (109, 2031868), (218, 1015934), (353, 627404), (436, 507967), (706, 313702), (1412, 156851), (1439, 153908), (2878, 76954), (5756, 38477)]