68976085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 89210880

約数和(自身を除く): 20234795

約数列:

[1, 5, 31, 43, 79, 131, 155, 215, 395, 655, 1333, 2449, 3397, 4061, 5633, 6665, 10349, 12245, 16985, 20305, 28165, 51745, 105307, 174623, 320819, 445007, 526535, 873115, 1604095, 2225035, 13795217, 68976085]

約数ペア:

[(1, 68976085), (5, 13795217), (31, 2225035), (43, 1604095), (79, 873115), (131, 526535), (155, 445007), (215, 320819), (395, 174623), (655, 105307), (1333, 51745), (2449, 28165), (3397, 20305), (4061, 16985), (5633, 12245), (6665, 10349)]