66806978

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{128971}}^1$

素因数の和:129017

約数の個数: 16

約数和(自身を含む): 117622464

約数和(自身を除く): 50815486

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 128971, 257942, 902797, 1805594, 4771927, 9543854, 33403489, 66806978]

約数ペア:

[(1, 66806978), (2, 33403489), (7, 9543854), (14, 4771927), (37, 1805594), (74, 902797), (259, 257942), (518, 128971)]