About the Number

201321288

201321287 ← → 201321289

2進数表記:1011111111111110101101001000

漢数字表記:二億百三十二万千二百八十八

素因数分解:

2 3 × 3 4 × 7 1 × 44383 1

素因数の和:44408
約数の個数: 80
約数和(自身を含む): 644455680
約数和(自身を除く): 443134392

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 44383, 88766, 133149, 177532, 266298, 310681, 355064, 399447, 532596, 621362, 798894, 932043, 1065192, 1198341, 1242724, 1597788, 1864086, 2396682, 2485448, 2796129, 3195576, 3595023, 3728172, 4793364, 5592258, 7190046, 7456344, 8388387, 9586728, 11184516, 14380092, 16776774, 22369032, 25165161, 28760184, 33553548, 50330322, 67107096, 100660644, 201321288]

約数ペア:
[(1, 201321288), (2, 100660644), (3, 67107096), (4, 50330322), (6, 33553548), (7, 28760184), (8, 25165161), (9, 22369032), (12, 16776774), (14, 14380092), (18, 11184516), (21, 9586728), (24, 8388387), (27, 7456344), (28, 7190046), (36, 5592258), (42, 4793364), (54, 3728172), (56, 3595023), (63, 3195576), (72, 2796129), (81, 2485448), (84, 2396682), (108, 1864086), (126, 1597788), (162, 1242724), (168, 1198341), (189, 1065192), (216, 932043), (252, 798894), (324, 621362), (378, 532596), (504, 399447), (567, 355064), (648, 310681), (756, 266298), (1134, 177532), (1512, 133149), (2268, 88766), (4536, 44383)]

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