208403713

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{26417}}^1$

素因数の和:26461

約数の個数: 16

約数和(自身を含む): 253612800

約数和(自身を除く): 45209087

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 26417, 184919, 607591, 1294433, 4253137, 9061031, 29771959, 208403713]

約数ペア:

[(1, 208403713), (7, 29771959), (23, 9061031), (49, 4253137), (161, 1294433), (343, 607591), (1127, 184919), (7889, 26417)]