199531888

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{116549}}^1$

素因数の和:116664

約数の個数: 20

約数和(自身を含む): 390209400

約数和(自身を除く): 190677512

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 116549, 233098, 466196, 932392, 1864784, 12470743, 24941486, 49882972, 99765944, 199531888]

約数ペア:

[(1, 199531888), (2, 99765944), (4, 49882972), (8, 24941486), (16, 12470743), (107, 1864784), (214, 932392), (428, 466196), (856, 233098), (1712, 116549)]