81674416

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{16103}}^1$

素因数の和:16428

約数の個数: 20

約数和(自身を含む): 158753232

約数和(自身を除く): 77078816

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 16103, 32206, 64412, 128824, 257648, 5104651, 10209302, 20418604, 40837208, 81674416]

約数ペア:

[(1, 81674416), (2, 40837208), (4, 20418604), (8, 10209302), (16, 5104651), (317, 257648), (634, 128824), (1268, 64412), (2536, 32206), (5072, 16103)]