1640984456

素因数分解:

$2^3\times {\mathrm{2657}}^1\times {\mathrm{77201}}^1$

素因数の和:79864

約数の個数: 16

約数和(自身を含む): 3078043740

約数和(自身を除く): 1437059284

約数列:

[1, 2, 4, 8, 2657, 5314, 10628, 21256, 77201, 154402, 308804, 617608, 205123057, 410246114, 820492228, 1640984456]

約数ペア:

[(1, 1640984456), (2, 820492228), (4, 410246114), (8, 205123057), (2657, 617608), (5314, 308804), (10628, 154402), (21256, 77201)]