68390812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1321}}^1$

素因数の和:1418

約数の個数: 36

約数和(自身を含む): 140142576

約数和(自身を除く): 71751764

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1321, 1849, 2642, 3698, 5284, 7396, 9247, 12943, 18494, 25886, 36988, 51772, 56803, 113606, 227212, 397621, 795242, 1590484, 2442529, 4885058, 9770116, 17097703, 34195406, 68390812]

約数ペア:

[(1, 68390812), (2, 34195406), (4, 17097703), (7, 9770116), (14, 4885058), (28, 2442529), (43, 1590484), (86, 795242), (172, 397621), (301, 227212), (602, 113606), (1204, 56803), (1321, 51772), (1849, 36988), (2642, 25886), (3698, 18494), (5284, 12943), (7396, 9247)]