1280995158

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1309811}}^1$

素因数の和:1309979

約数の個数: 16

約数和(自身を含む): 2577710016

約数和(自身を除く): 1296714858

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 1309811, 2619622, 3929433, 7858866, 213499193, 426998386, 640497579, 1280995158]

約数ペア:

[(1, 1280995158), (2, 640497579), (3, 426998386), (6, 213499193), (163, 7858866), (326, 3929433), (489, 2619622), (978, 1309811)]