71991290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{146921}}^1$

素因数の和:146942

約数の個数: 24

約数和(自身を含む): 150741972

約数和(自身を除く): 78750682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 146921, 293842, 734605, 1028447, 1469210, 2056894, 5142235, 7199129, 10284470, 14398258, 35995645, 71991290]

約数ペア:

[(1, 71991290), (2, 35995645), (5, 14398258), (7, 10284470), (10, 7199129), (14, 5142235), (35, 2056894), (49, 1469210), (70, 1028447), (98, 734605), (245, 293842), (490, 146921)]