388994512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4127}}^1$

素因数の和:4315

約数の個数: 40

約数和(自身を含む): 777021696

約数和(自身を除く): 388027184

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 274, 344, 548, 688, 1096, 2192, 4127, 5891, 8254, 11782, 16508, 23564, 33016, 47128, 66032, 94256, 177461, 354922, 565399, 709844, 1130798, 1419688, 2261596, 2839376, 4523192, 9046384, 24312157, 48624314, 97248628, 194497256, 388994512]

約数ペア:

[(1, 388994512), (2, 194497256), (4, 97248628), (8, 48624314), (16, 24312157), (43, 9046384), (86, 4523192), (137, 2839376), (172, 2261596), (274, 1419688), (344, 1130798), (548, 709844), (688, 565399), (1096, 354922), (2192, 177461), (4127, 94256), (5891, 66032), (8254, 47128), (11782, 33016), (16508, 23564)]