1289716975

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{443}}^1\times {\mathrm{1153}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 1620132912

約数和(自身を除く): 330415937

約数列:

[1, 5, 25, 101, 443, 505, 1153, 2215, 2525, 5765, 11075, 28825, 44743, 116453, 223715, 510779, 582265, 1118575, 2553895, 2911325, 12769475, 51588679, 257943395, 1289716975]

約数ペア:

[(1, 1289716975), (5, 257943395), (25, 51588679), (101, 12769475), (443, 2911325), (505, 2553895), (1153, 1118575), (2215, 582265), (2525, 510779), (5765, 223715), (11075, 116453), (28825, 44743)]