199985317

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{214807}}^1$

素因数の和:214840

約数の個数: 12

約数和(自身を含む): 244881120

約数和(自身を除く): 44895803

約数列:

[1, 7, 19, 49, 133, 931, 214807, 1503649, 4081333, 10525543, 28569331, 199985317]

約数ペア:

[(1, 199985317), (7, 28569331), (19, 10525543), (49, 4081333), (133, 1503649), (931, 214807)]