68418584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2621}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 138756240

約数和(自身を除く): 70337656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 2621, 3263, 5242, 6526, 10484, 13052, 20968, 26104, 34073, 68146, 136292, 272584, 657871, 1315742, 2631484, 5262968, 8552323, 17104646, 34209292, 68418584]

約数ペア:

[(1, 68418584), (2, 34209292), (4, 17104646), (8, 8552323), (13, 5262968), (26, 2631484), (52, 1315742), (104, 657871), (251, 272584), (502, 136292), (1004, 68146), (2008, 34073), (2621, 26104), (3263, 20968), (5242, 13052), (6526, 10484)]