201057968

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{80039}}^1$

素因数の和:80204

約数の個数: 20

約数和(自身を含む): 392035920

約数和(自身を除く): 190977952

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 80039, 160078, 320156, 640312, 1280624, 12566123, 25132246, 50264492, 100528984, 201057968]

約数ペア:

[(1, 201057968), (2, 100528984), (4, 50264492), (8, 25132246), (16, 12566123), (157, 1280624), (314, 640312), (628, 320156), (1256, 160078), (2512, 80039)]