68907986

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 122332032

約数和(自身を除く): 53424046

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 274, 518, 959, 971, 1918, 1942, 5069, 6797, 10138, 13594, 35483, 35927, 70966, 71854, 133027, 251489, 266054, 502978, 931189, 1862378, 4921999, 9843998, 34453993, 68907986]

約数ペア:

[(1, 68907986), (2, 34453993), (7, 9843998), (14, 4921999), (37, 1862378), (74, 931189), (137, 502978), (259, 266054), (274, 251489), (518, 133027), (959, 71854), (971, 70966), (1918, 35927), (1942, 35483), (5069, 13594), (6797, 10138)]