About the Number

131909868

131909867 ← → 131909869

2進数表記:111110111001100100011101100

漢数字表記:一億三千百九十万九千八百六十八

素因数分解:

2 2 × 3 2 × 17 1 × 67 1 × 3217 1

素因数の和:3311
約数の個数: 72
約数和(自身を含む): 358433712
約数和(自身を除く): 226523844

約数列:
[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 603, 612, 804, 1139, 1206, 2278, 2412, 3217, 3417, 4556, 6434, 6834, 9651, 10251, 12868, 13668, 19302, 20502, 28953, 38604, 41004, 54689, 57906, 109378, 115812, 164067, 215539, 218756, 328134, 431078, 492201, 646617, 656268, 862156, 984402, 1293234, 1939851, 1968804, 2586468, 3664163, 3879702, 7328326, 7759404, 10992489, 14656652, 21984978, 32977467, 43969956, 65954934, 131909868]

約数ペア:
[(1, 131909868), (2, 65954934), (3, 43969956), (4, 32977467), (6, 21984978), (9, 14656652), (12, 10992489), (17, 7759404), (18, 7328326), (34, 3879702), (36, 3664163), (51, 2586468), (67, 1968804), (68, 1939851), (102, 1293234), (134, 984402), (153, 862156), (201, 656268), (204, 646617), (268, 492201), (306, 431078), (402, 328134), (603, 218756), (612, 215539), (804, 164067), (1139, 115812), (1206, 109378), (2278, 57906), (2412, 54689), (3217, 41004), (3417, 38604), (4556, 28953), (6434, 20502), (6834, 19302), (9651, 13668), (10251, 12868)]

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