217967536

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{140443}}^1$

素因数の和:140548

約数の個数: 20

約数和(自身を含む): 426668872

約数和(自身を除く): 208701336

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 140443, 280886, 561772, 1123544, 2247088, 13622971, 27245942, 54491884, 108983768, 217967536]

約数ペア:

[(1, 217967536), (2, 108983768), (4, 54491884), (8, 27245942), (16, 13622971), (97, 2247088), (194, 1123544), (388, 561772), (776, 280886), (1552, 140443)]