72138388

素因数分解:

$2^2\times 7^3\times {\mathrm{52579}}^1$

素因数の和:52604

約数の個数: 24

約数和(自身を含む): 147224000

約数和(自身を除く): 75085612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 52579, 105158, 210316, 368053, 736106, 1472212, 2576371, 5152742, 10305484, 18034597, 36069194, 72138388]

約数ペア:

[(1, 72138388), (2, 36069194), (4, 18034597), (7, 10305484), (14, 5152742), (28, 2576371), (49, 1472212), (98, 736106), (196, 368053), (343, 210316), (686, 105158), (1372, 52579)]