2159504

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 20

約数和(自身を含む): 4218480

約数和(自身を除く): 2058976

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 971, 1112, 1942, 2224, 3884, 7768, 15536, 134969, 269938, 539876, 1079752, 2159504]

約数ペア:

[(1, 2159504), (2, 1079752), (4, 539876), (8, 269938), (16, 134969), (139, 15536), (278, 7768), (556, 3884), (971, 2224), (1112, 1942)]