66988684

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2609}}^1$

素因数の和:2758

約数の個数: 36

約数和(自身を含む): 137463480

約数和(自身を除く): 70474796

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 2609, 3668, 5218, 6419, 10436, 12838, 18263, 25676, 36526, 73052, 127841, 255682, 341779, 511364, 683558, 1367116, 2392453, 4784906, 9569812, 16747171, 33494342, 66988684]

約数ペア:

[(1, 66988684), (2, 33494342), (4, 16747171), (7, 9569812), (14, 4784906), (28, 2392453), (49, 1367116), (98, 683558), (131, 511364), (196, 341779), (262, 255682), (524, 127841), (917, 73052), (1834, 36526), (2609, 25676), (3668, 18263), (5218, 12838), (6419, 10436)]