78966584

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 160705800

約数和(自身を除く): 81739216

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 361, 703, 722, 739, 1406, 1444, 1478, 2812, 2888, 2956, 5624, 5912, 13357, 14041, 26714, 27343, 28082, 53428, 54686, 56164, 106856, 109372, 112328, 218744, 266779, 519517, 533558, 1039034, 1067116, 2078068, 2134232, 4156136, 9870823, 19741646, 39483292, 78966584]

約数ペア:

[(1, 78966584), (2, 39483292), (4, 19741646), (8, 9870823), (19, 4156136), (37, 2134232), (38, 2078068), (74, 1067116), (76, 1039034), (148, 533558), (152, 519517), (296, 266779), (361, 218744), (703, 112328), (722, 109372), (739, 106856), (1406, 56164), (1444, 54686), (1478, 53428), (2812, 28082), (2888, 27343), (2956, 26714), (5624, 14041), (5912, 13357)]