About the Number

12838644

12838643 ← → 12838645

2進数表記:110000111110011011110100

漢数字表記:千二百八十三万八千六百四十四

素因数分解:

2 2 × 3 2 × 7 1 × 13 1 × 3919 1

素因数の和:3949
約数の個数: 72
約数和(自身を含む): 39952640
約数和(自身を除く): 27113996

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 3919, 7838, 11757, 15676, 23514, 27433, 35271, 47028, 50947, 54866, 70542, 82299, 101894, 109732, 141084, 152841, 164598, 203788, 246897, 305682, 329196, 356629, 458523, 493794, 611364, 713258, 917046, 987588, 1069887, 1426516, 1834092, 2139774, 3209661, 4279548, 6419322, 12838644]

約数ペア:
[(1, 12838644), (2, 6419322), (3, 4279548), (4, 3209661), (6, 2139774), (7, 1834092), (9, 1426516), (12, 1069887), (13, 987588), (14, 917046), (18, 713258), (21, 611364), (26, 493794), (28, 458523), (36, 356629), (39, 329196), (42, 305682), (52, 246897), (63, 203788), (78, 164598), (84, 152841), (91, 141084), (117, 109732), (126, 101894), (156, 82299), (182, 70542), (234, 54866), (252, 50947), (273, 47028), (364, 35271), (468, 27433), (546, 23514), (819, 15676), (1092, 11757), (1638, 7838), (3276, 3919)]

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