71661968

素因数分解:

$2^4\times 7^1\times {\mathrm{639839}}^1$

素因数の和:639854

約数の個数: 20

約数和(自身を含む): 158680320

約数和(自身を除く): 87018352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 639839, 1279678, 2559356, 4478873, 5118712, 8957746, 10237424, 17915492, 35830984, 71661968]

約数ペア:

[(1, 71661968), (2, 35830984), (4, 17915492), (7, 10237424), (8, 8957746), (14, 5118712), (16, 4478873), (28, 2559356), (56, 1279678), (112, 639839)]