71280684

素因数分解:

$2^2\times 3^2\times {\mathrm{1980019}}^1$

素因数の和:1980029

約数の個数: 18

約数和(自身を含む): 180181820

約数和(自身を除く): 108901136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1980019, 3960038, 5940057, 7920076, 11880114, 17820171, 23760228, 35640342, 71280684]

約数ペア:

[(1, 71280684), (2, 35640342), (3, 23760228), (4, 17820171), (6, 11880114), (9, 7920076), (12, 5940057), (18, 3960038), (36, 1980019)]