201212008

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{112787}}^1$

素因数の和:113016

約数の個数: 16

約数和(自身を含む): 378967680

約数和(自身を除く): 177755672

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 112787, 225574, 451148, 902296, 25151501, 50303002, 100606004, 201212008]

約数ペア:

[(1, 201212008), (2, 100606004), (4, 50303002), (8, 25151501), (223, 902296), (446, 451148), (892, 225574), (1784, 112787)]