208759984

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{54139}}^1$

素因数の和:54388

約数の個数: 20

約数和(自身を含む): 406158280

約数和(自身を除く): 197398296

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 54139, 108278, 216556, 433112, 866224, 13047499, 26094998, 52189996, 104379992, 208759984]

約数ペア:

[(1, 208759984), (2, 104379992), (4, 52189996), (8, 26094998), (16, 13047499), (241, 866224), (482, 433112), (964, 216556), (1928, 108278), (3856, 54139)]