2688778864

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1541731}}^1$

素因数の和:1541848

約数の個数: 20

約数和(自身を含む): 5257306120

約数和(自身を除く): 2568527256

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 1541731, 3083462, 6166924, 12333848, 24667696, 168048679, 336097358, 672194716, 1344389432, 2688778864]

約数ペア:

[(1, 2688778864), (2, 1344389432), (4, 672194716), (8, 336097358), (16, 168048679), (109, 24667696), (218, 12333848), (436, 6166924), (872, 3083462), (1744, 1541731)]