123159218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 238436352

約数和(自身を除く): 115277134

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 83, 91, 166, 182, 217, 263, 403, 434, 526, 581, 806, 1079, 1162, 1841, 2158, 2573, 2821, 3419, 3682, 5146, 5642, 6838, 7553, 8153, 15106, 16306, 18011, 21829, 23933, 33449, 36022, 43658, 47866, 57071, 66898, 105989, 114142, 152803, 211978, 234143, 283777, 305606, 468286, 567554, 676699, 741923, 1353398, 1483846, 1986439, 3972878, 4736893, 8797087, 9473786, 17594174, 61579609, 123159218]

約数ペア:

[(1, 123159218), (2, 61579609), (7, 17594174), (13, 9473786), (14, 8797087), (26, 4736893), (31, 3972878), (62, 1986439), (83, 1483846), (91, 1353398), (166, 741923), (182, 676699), (217, 567554), (263, 468286), (403, 305606), (434, 283777), (526, 234143), (581, 211978), (806, 152803), (1079, 114142), (1162, 105989), (1841, 66898), (2158, 57071), (2573, 47866), (2821, 43658), (3419, 36022), (3682, 33449), (5146, 23933), (5642, 21829), (6838, 18011), (7553, 16306), (8153, 15106)]