199480964

素因数分解:

$2^2\times {\mathrm{2671}}^1\times {\mathrm{18671}}^1$

素因数の和:21346

約数の個数: 12

約数和(自身を含む): 349241088

約数和(自身を除く): 149760124

約数列:

[1, 2, 4, 2671, 5342, 10684, 18671, 37342, 74684, 49870241, 99740482, 199480964]

約数ペア:

[(1, 199480964), (2, 99740482), (4, 49870241), (2671, 74684), (5342, 37342), (10684, 18671)]