1986199970

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{6871}}^1$

素因数の和:7226

約数の個数: 32

約数和(自身を含む): 3618850176

約数和(自身を除く): 1632650206

約数列:

[1, 2, 5, 10, 137, 211, 274, 422, 685, 1055, 1370, 2110, 6871, 13742, 28907, 34355, 57814, 68710, 144535, 289070, 941327, 1449781, 1882654, 2899562, 4706635, 7248905, 9413270, 14497810, 198619997, 397239994, 993099985, 1986199970]

約数ペア:

[(1, 1986199970), (2, 993099985), (5, 397239994), (10, 198619997), (137, 14497810), (211, 9413270), (274, 7248905), (422, 4706635), (685, 2899562), (1055, 1882654), (1370, 1449781), (2110, 941327), (6871, 289070), (13742, 144535), (28907, 68710), (34355, 57814)]