199429895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{247739}}^1$

素因数の和:247774

約数の個数: 16

約数和(自身を含む): 285396480

約数和(自身を除く): 85966585

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 247739, 1238695, 1734173, 5697997, 8670865, 28489985, 39885979, 199429895]

約数ペア:

[(1, 199429895), (5, 39885979), (7, 28489985), (23, 8670865), (35, 5697997), (115, 1734173), (161, 1238695), (805, 247739)]