389621258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 687536640

約数和(自身を除く): 297915382

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 97, 173, 194, 247, 346, 494, 611, 893, 1222, 1261, 1786, 1843, 2249, 2522, 3287, 3686, 4498, 4559, 6574, 8131, 9118, 11609, 16262, 16781, 23218, 23959, 33562, 42731, 47918, 59267, 85462, 86621, 105703, 118534, 154489, 173242, 211406, 218153, 308978, 318839, 436306, 637678, 788707, 1126073, 1577414, 2008357, 2252146, 4016714, 4144907, 8289814, 10253191, 14985433, 20506382, 29970866, 194810629, 389621258]

約数ペア:

[(1, 389621258), (2, 194810629), (13, 29970866), (19, 20506382), (26, 14985433), (38, 10253191), (47, 8289814), (94, 4144907), (97, 4016714), (173, 2252146), (194, 2008357), (247, 1577414), (346, 1126073), (494, 788707), (611, 637678), (893, 436306), (1222, 318839), (1261, 308978), (1786, 218153), (1843, 211406), (2249, 173242), (2522, 154489), (3287, 118534), (3686, 105703), (4498, 86621), (4559, 85462), (6574, 59267), (8131, 47918), (9118, 42731), (11609, 33562), (16262, 23959), (16781, 23218)]