1261026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 3125304

約数和(自身を除く): 1864278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 317, 442, 634, 663, 951, 1326, 1902, 1989, 2853, 3978, 4121, 5389, 5706, 8242, 10778, 12363, 16167, 24726, 32334, 37089, 48501, 70057, 74178, 97002, 140114, 210171, 420342, 630513, 1261026]

約数ペア:

[(1, 1261026), (2, 630513), (3, 420342), (6, 210171), (9, 140114), (13, 97002), (17, 74178), (18, 70057), (26, 48501), (34, 37089), (39, 32334), (51, 24726), (78, 16167), (102, 12363), (117, 10778), (153, 8242), (221, 5706), (234, 5389), (306, 4121), (317, 3978), (442, 2853), (634, 1989), (663, 1902), (951, 1326)]