2571185764

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{1999}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 5225472000

約数和(自身を除く): 2654286236

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 647, 994, 1294, 1988, 1999, 2588, 3998, 4529, 7996, 9058, 13993, 18116, 27986, 45937, 55972, 91874, 141929, 183748, 283858, 321559, 567716, 643118, 993503, 1286236, 1293353, 1987006, 2586706, 3974012, 5173412, 9053471, 18106942, 36213884, 91828063, 183656126, 367312252, 642796441, 1285592882, 2571185764]

約数ペア:

[(1, 2571185764), (2, 1285592882), (4, 642796441), (7, 367312252), (14, 183656126), (28, 91828063), (71, 36213884), (142, 18106942), (284, 9053471), (497, 5173412), (647, 3974012), (994, 2586706), (1294, 1987006), (1988, 1293353), (1999, 1286236), (2588, 993503), (3998, 643118), (4529, 567716), (7996, 321559), (9058, 283858), (13993, 183748), (18116, 141929), (27986, 91874), (45937, 55972)]