81154744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91576136

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 83, 88, 164, 166, 271, 328, 332, 451, 542, 664, 902, 913, 1084, 1804, 1826, 2168, 2981, 3403, 3608, 3652, 5962, 6806, 7304, 11111, 11924, 13612, 22222, 22493, 23848, 27224, 37433, 44444, 44986, 74866, 88888, 89972, 122221, 149732, 179944, 244442, 247423, 299464, 488884, 494846, 922213, 977768, 989692, 1844426, 1979384, 3688852, 7377704, 10144343, 20288686, 40577372, 81154744]

約数ペア:

[(1, 81154744), (2, 40577372), (4, 20288686), (8, 10144343), (11, 7377704), (22, 3688852), (41, 1979384), (44, 1844426), (82, 989692), (83, 977768), (88, 922213), (164, 494846), (166, 488884), (271, 299464), (328, 247423), (332, 244442), (451, 179944), (542, 149732), (664, 122221), (902, 89972), (913, 88888), (1084, 74866), (1804, 44986), (1826, 44444), (2168, 37433), (2981, 27224), (3403, 23848), (3608, 22493), (3652, 22222), (5962, 13612), (6806, 11924), (7304, 11111)]