199970812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1162621}}^1$

素因数の和:1162668

約数の個数: 12

約数和(自身を含む): 358087576

約数和(自身を除く): 158116764

約数列:

[1, 2, 4, 43, 86, 172, 1162621, 2325242, 4650484, 49992703, 99985406, 199970812]

約数ペア:

[(1, 199970812), (2, 99985406), (4, 49992703), (43, 4650484), (86, 2325242), (172, 1162621)]