39951994

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3271}}^1$

素因数の和:3501

約数の個数: 16

約数和(自身を含む): 62194176

約数和(自身を除く): 22242182

約数列:

[1, 2, 31, 62, 197, 394, 3271, 6107, 6542, 12214, 101401, 202802, 644387, 1288774, 19975997, 39951994]

約数ペア:

[(1, 39951994), (2, 19975997), (31, 1288774), (62, 644387), (197, 202802), (394, 101401), (3271, 12214), (6107, 6542)]