678956221424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1\times {\mathrm{107069}}^1$

素因数の和:107842

約数の個数: 80

約数和(自身を含む): 1451672191200

約数和(自身を除く): 772715969776

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 709, 1118, 1418, 2236, 2836, 4472, 5672, 8944, 9217, 11344, 18434, 30487, 36868, 60974, 73736, 107069, 121948, 147472, 214138, 243896, 396331, 428276, 487792, 792662, 856552, 1391897, 1585324, 1713104, 2783794, 3170648, 4603967, 5567588, 6341296, 9207934, 11135176, 18415868, 22270352, 36831736, 59851571, 73663472, 75911921, 119703142, 151823842, 239406284, 303647684, 478812568, 607295368, 957625136, 986854973, 1214590736, 1973709946, 3264212603, 3947419892, 6528425206, 7894839784, 13056850412, 15789679568, 26113700824, 42434763839, 52227401648, 84869527678, 169739055356, 339478110712, 678956221424]

約数ペア:

[(1, 678956221424), (2, 339478110712), (4, 169739055356), (8, 84869527678), (13, 52227401648), (16, 42434763839), (26, 26113700824), (43, 15789679568), (52, 13056850412), (86, 7894839784), (104, 6528425206), (172, 3947419892), (208, 3264212603), (344, 1973709946), (559, 1214590736), (688, 986854973), (709, 957625136), (1118, 607295368), (1418, 478812568), (2236, 303647684), (2836, 239406284), (4472, 151823842), (5672, 119703142), (8944, 75911921), (9217, 73663472), (11344, 59851571), (18434, 36831736), (30487, 22270352), (36868, 18415868), (60974, 11135176), (73736, 9207934), (107069, 6341296), (121948, 5567588), (147472, 4603967), (214138, 3170648), (243896, 2783794), (396331, 1713104), (428276, 1585324), (487792, 1391897), (792662, 856552)]