1289974728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{247691}}^1$

素因数の和:247738

約数の個数: 64

約数和(自身を含む): 3804549120

約数和(自身を除く): 2514574392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 247691, 495382, 743073, 990764, 1486146, 1733837, 1981528, 2972292, 3467674, 5201511, 5944584, 6935348, 7678421, 10403022, 13870696, 15356842, 20806044, 23035263, 30713684, 41612088, 46070526, 53748947, 61427368, 92141052, 107497894, 161246841, 184282104, 214995788, 322493682, 429991576, 644987364, 1289974728]

約数ペア:

[(1, 1289974728), (2, 644987364), (3, 429991576), (4, 322493682), (6, 214995788), (7, 184282104), (8, 161246841), (12, 107497894), (14, 92141052), (21, 61427368), (24, 53748947), (28, 46070526), (31, 41612088), (42, 30713684), (56, 23035263), (62, 20806044), (84, 15356842), (93, 13870696), (124, 10403022), (168, 7678421), (186, 6935348), (217, 5944584), (248, 5201511), (372, 3467674), (434, 2972292), (651, 1981528), (744, 1733837), (868, 1486146), (1302, 990764), (1736, 743073), (2604, 495382), (5208, 247691)]