71243710

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{17419}}^1$

素因数の和:17835

約数の個数: 16

約数和(自身を含む): 128559600

約数和(自身を除く): 57315890

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 17419, 34838, 87095, 174190, 7124371, 14248742, 35621855, 71243710]

約数ペア:

[(1, 71243710), (2, 35621855), (5, 14248742), (10, 7124371), (409, 174190), (818, 87095), (2045, 34838), (4090, 17419)]