639777634

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1\times {\mathrm{4583}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 967260672

約数和(自身を除く): 327483038

約数列:

[1, 2, 223, 313, 446, 626, 4583, 9166, 69799, 139598, 1022009, 1434479, 2044018, 2868958, 319888817, 639777634]

約数ペア:

[(1, 639777634), (2, 319888817), (223, 2868958), (313, 2044018), (446, 1434479), (626, 1022009), (4583, 139598), (9166, 69799)]