281663498768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{347143}}^1$

素因数の和:347344

約数の個数: 80

約数和(自身を含む): 612112072320

約数和(自身を除く): 330448573552

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 157, 272, 304, 314, 323, 628, 646, 1256, 1292, 2512, 2584, 2669, 2983, 5168, 5338, 5966, 10676, 11932, 21352, 23864, 42704, 47728, 50711, 101422, 202844, 347143, 405688, 694286, 811376, 1388572, 2777144, 5554288, 5901431, 6595717, 11802862, 13191434, 23605724, 26382868, 47211448, 52765736, 54501451, 94422896, 105531472, 109002902, 112127189, 218005804, 224254378, 436011608, 448508756, 872023216, 897017512, 926524667, 1035527569, 1794035024, 1853049334, 2071055138, 3706098668, 4142110276, 7412197336, 8284220552, 14824394672, 16568441104, 17603968673, 35207937346, 70415874692, 140831749384, 281663498768]

約数ペア:

[(1, 281663498768), (2, 140831749384), (4, 70415874692), (8, 35207937346), (16, 17603968673), (17, 16568441104), (19, 14824394672), (34, 8284220552), (38, 7412197336), (68, 4142110276), (76, 3706098668), (136, 2071055138), (152, 1853049334), (157, 1794035024), (272, 1035527569), (304, 926524667), (314, 897017512), (323, 872023216), (628, 448508756), (646, 436011608), (1256, 224254378), (1292, 218005804), (2512, 112127189), (2584, 109002902), (2669, 105531472), (2983, 94422896), (5168, 54501451), (5338, 52765736), (5966, 47211448), (10676, 26382868), (11932, 23605724), (21352, 13191434), (23864, 11802862), (42704, 6595717), (47728, 5901431), (50711, 5554288), (101422, 2777144), (202844, 1388572), (347143, 811376), (405688, 694286)]