648366960388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1\times {\mathrm{175327}}^1$

素因数の和:175829

約数の個数: 72

約数和(自身を含む): 1380521451008

約数和(自身を除く): 732154490620

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 457, 476, 578, 914, 1156, 1828, 2023, 3199, 4046, 6398, 7769, 8092, 12796, 15538, 31076, 54383, 108766, 132073, 175327, 217532, 264146, 350654, 528292, 701308, 924511, 1227289, 1849022, 2454578, 2980559, 3698044, 4909156, 5961118, 11922236, 20863913, 41727826, 50669503, 80124439, 83455652, 101339006, 160248878, 202678012, 320497756, 354686521, 560871073, 709373042, 1121742146, 1362115463, 1418746084, 2243484292, 2724230926, 5448461852, 9534808241, 19069616482, 23155962871, 38139232964, 46311925742, 92623851484, 162091740097, 324183480194, 648366960388]

約数ペア:

[(1, 648366960388), (2, 324183480194), (4, 162091740097), (7, 92623851484), (14, 46311925742), (17, 38139232964), (28, 23155962871), (34, 19069616482), (68, 9534808241), (119, 5448461852), (238, 2724230926), (289, 2243484292), (457, 1418746084), (476, 1362115463), (578, 1121742146), (914, 709373042), (1156, 560871073), (1828, 354686521), (2023, 320497756), (3199, 202678012), (4046, 160248878), (6398, 101339006), (7769, 83455652), (8092, 80124439), (12796, 50669503), (15538, 41727826), (31076, 20863913), (54383, 11922236), (108766, 5961118), (132073, 4909156), (175327, 3698044), (217532, 2980559), (264146, 2454578), (350654, 1849022), (528292, 1227289), (701308, 924511)]