201991804

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{45949}}^1$

素因数の和:46117

約数の個数: 24

約数和(自身を含む): 406565600

約数和(自身を除く): 204573796

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 45949, 91898, 183796, 321643, 643286, 1286572, 7213993, 14427986, 28855972, 50497951, 100995902, 201991804]

約数ペア:

[(1, 201991804), (2, 100995902), (4, 50497951), (7, 28855972), (14, 14427986), (28, 7213993), (157, 1286572), (314, 643286), (628, 321643), (1099, 183796), (2198, 91898), (4396, 45949)]