221256288

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:569

約数の個数: 144

約数和(自身を含む): 691733952

約数和(自身を除く): 470477664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 211, 264, 288, 331, 352, 396, 422, 528, 633, 662, 792, 844, 993, 1056, 1266, 1324, 1584, 1688, 1899, 1986, 2321, 2532, 2648, 2979, 3168, 3376, 3641, 3798, 3972, 4642, 5064, 5296, 5958, 6752, 6963, 7282, 7596, 7944, 9284, 10128, 10592, 10923, 11916, 13926, 14564, 15192, 15888, 18568, 20256, 20889, 21846, 23832, 27852, 29128, 30384, 31776, 32769, 37136, 41778, 43692, 47664, 55704, 58256, 60768, 65538, 69841, 74272, 83556, 87384, 95328, 111408, 116512, 131076, 139682, 167112, 174768, 209523, 222816, 262152, 279364, 334224, 349536, 419046, 524304, 558728, 628569, 668448, 768251, 838092, 1048608, 1117456, 1257138, 1536502, 1676184, 2234912, 2304753, 2514276, 3073004, 3352368, 4609506, 5028552, 6146008, 6704736, 6914259, 9219012, 10057104, 12292016, 13828518, 18438024, 20114208, 24584032, 27657036, 36876048, 55314072, 73752096, 110628144, 221256288]

約数ペア:

[(1, 221256288), (2, 110628144), (3, 73752096), (4, 55314072), (6, 36876048), (8, 27657036), (9, 24584032), (11, 20114208), (12, 18438024), (16, 13828518), (18, 12292016), (22, 10057104), (24, 9219012), (32, 6914259), (33, 6704736), (36, 6146008), (44, 5028552), (48, 4609506), (66, 3352368), (72, 3073004), (88, 2514276), (96, 2304753), (99, 2234912), (132, 1676184), (144, 1536502), (176, 1257138), (198, 1117456), (211, 1048608), (264, 838092), (288, 768251), (331, 668448), (352, 628569), (396, 558728), (422, 524304), (528, 419046), (633, 349536), (662, 334224), (792, 279364), (844, 262152), (993, 222816), (1056, 209523), (1266, 174768), (1324, 167112), (1584, 139682), (1688, 131076), (1899, 116512), (1986, 111408), (2321, 95328), (2532, 87384), (2648, 83556), (2979, 74272), (3168, 69841), (3376, 65538), (3641, 60768), (3798, 58256), (3972, 55704), (4642, 47664), (5064, 43692), (5296, 41778), (5958, 37136), (6752, 32769), (6963, 31776), (7282, 30384), (7596, 29128), (7944, 27852), (9284, 23832), (10128, 21846), (10592, 20889), (10923, 20256), (11916, 18568), (13926, 15888), (14564, 15192)]