78260728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 181863360

約数和(自身を除く): 103602632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 193, 364, 386, 557, 728, 772, 1114, 1351, 1544, 2228, 2509, 2702, 3899, 4456, 5018, 5404, 7241, 7798, 10036, 10808, 14482, 15596, 17563, 20072, 28964, 31192, 35126, 50687, 57928, 70252, 101374, 107501, 140504, 202748, 215002, 405496, 430004, 752507, 860008, 1397513, 1505014, 2795026, 3010028, 5590052, 6020056, 9782591, 11180104, 19565182, 39130364, 78260728]

約数ペア:

[(1, 78260728), (2, 39130364), (4, 19565182), (7, 11180104), (8, 9782591), (13, 6020056), (14, 5590052), (26, 3010028), (28, 2795026), (52, 1505014), (56, 1397513), (91, 860008), (104, 752507), (182, 430004), (193, 405496), (364, 215002), (386, 202748), (557, 140504), (728, 107501), (772, 101374), (1114, 70252), (1351, 57928), (1544, 50687), (2228, 35126), (2509, 31192), (2702, 28964), (3899, 20072), (4456, 17563), (5018, 15596), (5404, 14482), (7241, 10808), (7798, 10036)]