220705816

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{253103}}^1$

素因数の和:253218

約数の個数: 16

約数和(自身を含む): 417621600

約数和(自身を除く): 196915784

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 253103, 506206, 1012412, 2024824, 27588227, 55176454, 110352908, 220705816]

約数ペア:

[(1, 220705816), (2, 110352908), (4, 55176454), (8, 27588227), (109, 2024824), (218, 1012412), (436, 506206), (872, 253103)]