199748129

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 231672960

約数和(自身を除く): 31924831

約数列:

[1, 7, 89, 491, 623, 653, 3437, 4571, 43699, 58117, 305893, 320623, 406819, 2244361, 28535447, 199748129]

約数ペア:

[(1, 199748129), (7, 28535447), (89, 2244361), (491, 406819), (623, 320623), (653, 305893), (3437, 58117), (4571, 43699)]