747999905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{63149}}^1$

素因数の和:63280

約数の個数: 16

約数和(自身を含む): 945734400

約数和(自身を除く): 197734495

約数列:

[1, 5, 23, 103, 115, 515, 2369, 11845, 63149, 315745, 1452427, 6504347, 7262135, 32521735, 149599981, 747999905]

約数ペア:

[(1, 747999905), (5, 149599981), (23, 32521735), (103, 7262135), (115, 6504347), (515, 1452427), (2369, 315745), (11845, 63149)]