247156781

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 265939200

約数和(自身を除く): 18782419

約数列:

[1, 23, 37, 359, 809, 851, 8257, 13283, 18607, 29933, 290431, 305509, 688459, 6679913, 10745947, 247156781]

約数ペア:

[(1, 247156781), (23, 10745947), (37, 6679913), (359, 688459), (809, 305509), (851, 290431), (8257, 29933), (13283, 18607)]