1978884

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 5221440

約数和(自身を除く): 3242556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 251, 292, 438, 502, 657, 753, 876, 1004, 1314, 1506, 1971, 2259, 2628, 3012, 3942, 4518, 6777, 7884, 9036, 13554, 18323, 27108, 36646, 54969, 73292, 109938, 164907, 219876, 329814, 494721, 659628, 989442, 1978884]

約数ペア:

[(1, 1978884), (2, 989442), (3, 659628), (4, 494721), (6, 329814), (9, 219876), (12, 164907), (18, 109938), (27, 73292), (36, 54969), (54, 36646), (73, 27108), (108, 18323), (146, 13554), (219, 9036), (251, 7884), (292, 6777), (438, 4518), (502, 3942), (657, 3012), (753, 2628), (876, 2259), (1004, 1971), (1314, 1506)]