278350265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{112921}}^1$

素因数の和:112972

約数の個数: 16

約数和(自身を含む): 365867280

約数和(自身を除く): 87517015

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 112921, 564605, 1919657, 3274709, 9598285, 16373545, 55670053, 278350265]

約数ペア:

[(1, 278350265), (5, 55670053), (17, 16373545), (29, 9598285), (85, 3274709), (145, 1919657), (493, 564605), (2465, 112921)]