2155504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 4621232

約数和(自身を除く): 2465728

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 241, 344, 482, 559, 688, 964, 1118, 1928, 2236, 3133, 3856, 4472, 6266, 8944, 10363, 12532, 20726, 25064, 41452, 50128, 82904, 134719, 165808, 269438, 538876, 1077752, 2155504]

約数ペア:

[(1, 2155504), (2, 1077752), (4, 538876), (8, 269438), (13, 165808), (16, 134719), (26, 82904), (43, 50128), (52, 41452), (86, 25064), (104, 20726), (172, 12532), (208, 10363), (241, 8944), (344, 6266), (482, 4472), (559, 3856), (688, 3133), (964, 2236), (1118, 1928)]