66116656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{217489}}^1$

素因数の和:217516

約数の個数: 20

約数和(自身を含む): 134843800

約数和(自身を除く): 68727144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 217489, 434978, 869956, 1739912, 3479824, 4132291, 8264582, 16529164, 33058328, 66116656]

約数ペア:

[(1, 66116656), (2, 33058328), (4, 16529164), (8, 8264582), (16, 4132291), (19, 3479824), (38, 1739912), (76, 869956), (152, 434978), (304, 217489)]