123740656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1621}}^1$

素因数の和:2009

約数の個数: 40

約数和(自身を含む): 259052864

約数和(自身を除く): 135312208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 367, 734, 1468, 1621, 2936, 3242, 4771, 5872, 6484, 9542, 12968, 19084, 21073, 25936, 38168, 42146, 76336, 84292, 168584, 337168, 594907, 1189814, 2379628, 4759256, 7733791, 9518512, 15467582, 30935164, 61870328, 123740656]

約数ペア:

[(1, 123740656), (2, 61870328), (4, 30935164), (8, 15467582), (13, 9518512), (16, 7733791), (26, 4759256), (52, 2379628), (104, 1189814), (208, 594907), (367, 337168), (734, 168584), (1468, 84292), (1621, 76336), (2936, 42146), (3242, 38168), (4771, 25936), (5872, 21073), (6484, 19084), (9542, 12968)]