199004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 388080

約数和(自身を除く): 189076

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 172, 178, 356, 559, 1118, 1157, 2236, 2314, 3827, 4628, 7654, 15308, 49751, 99502, 199004]

約数ペア:

[(1, 199004), (2, 99502), (4, 49751), (13, 15308), (26, 7654), (43, 4628), (52, 3827), (86, 2314), (89, 2236), (172, 1157), (178, 1118), (356, 559)]