78720236

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{25793}}^1$

素因数の和:25913

約数の個数: 24

約数和(自身を含む): 158891040

約数和(自身を除く): 80170804

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 25793, 51586, 103172, 180551, 361102, 722204, 2811437, 5622874, 11245748, 19680059, 39360118, 78720236]

約数ペア:

[(1, 78720236), (2, 39360118), (4, 19680059), (7, 11245748), (14, 5622874), (28, 2811437), (109, 722204), (218, 361102), (436, 180551), (763, 103172), (1526, 51586), (3052, 25793)]