391444254

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{1091}}^1$

素因数の和:1773

約数の個数: 48

約数和(自身を含む): 877653504

約数和(自身を除く): 486209250

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 643, 1091, 1286, 1929, 2182, 3273, 3858, 5787, 6546, 9819, 11574, 19638, 19933, 33821, 39866, 59799, 67642, 101463, 119598, 179397, 202926, 304389, 358794, 608778, 701513, 1403026, 2104539, 4209078, 6313617, 12627234, 21746903, 43493806, 65240709, 130481418, 195722127, 391444254]

約数ペア:

[(1, 391444254), (2, 195722127), (3, 130481418), (6, 65240709), (9, 43493806), (18, 21746903), (31, 12627234), (62, 6313617), (93, 4209078), (186, 2104539), (279, 1403026), (558, 701513), (643, 608778), (1091, 358794), (1286, 304389), (1929, 202926), (2182, 179397), (3273, 119598), (3858, 101463), (5787, 67642), (6546, 59799), (9819, 39866), (11574, 33821), (19638, 19933)]