201599990

素因数分解:

$2^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{15787}}^1$

素因数の和:17071

約数の個数: 16

約数和(自身を含む): 363187152

約数和(自身を除く): 161587162

約数列:

[1, 2, 5, 10, 1277, 2554, 6385, 12770, 15787, 31574, 78935, 157870, 20159999, 40319998, 100799995, 201599990]

約数ペア:

[(1, 201599990), (2, 100799995), (5, 40319998), (10, 20159999), (1277, 157870), (2554, 78935), (6385, 31574), (12770, 15787)]