About the Number

131991768

131991767 ← → 131991769

2進数表記:111110111100000100011011000

漢数字表記:一億三千百九十九万千七百六十八

素因数分解:

2 3 × 3 5 × 43 1 × 1579 1

素因数の和:1643
約数の個数: 96
約数和(自身を含む): 379579200
約数和(自身を除く): 247587432

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 243, 258, 324, 344, 387, 486, 516, 648, 774, 972, 1032, 1161, 1548, 1579, 1944, 2322, 3096, 3158, 3483, 4644, 4737, 6316, 6966, 9288, 9474, 10449, 12632, 13932, 14211, 18948, 20898, 27864, 28422, 37896, 41796, 42633, 56844, 67897, 83592, 85266, 113688, 127899, 135794, 170532, 203691, 255798, 271588, 341064, 383697, 407382, 511596, 543176, 611073, 767394, 814764, 1023192, 1222146, 1534788, 1629528, 1833219, 2444292, 3069576, 3666438, 4888584, 5499657, 7332876, 10999314, 14665752, 16498971, 21998628, 32997942, 43997256, 65995884, 131991768]

約数ペア:
[(1, 131991768), (2, 65995884), (3, 43997256), (4, 32997942), (6, 21998628), (8, 16498971), (9, 14665752), (12, 10999314), (18, 7332876), (24, 5499657), (27, 4888584), (36, 3666438), (43, 3069576), (54, 2444292), (72, 1833219), (81, 1629528), (86, 1534788), (108, 1222146), (129, 1023192), (162, 814764), (172, 767394), (216, 611073), (243, 543176), (258, 511596), (324, 407382), (344, 383697), (387, 341064), (486, 271588), (516, 255798), (648, 203691), (774, 170532), (972, 135794), (1032, 127899), (1161, 113688), (1548, 85266), (1579, 83592), (1944, 67897), (2322, 56844), (3096, 42633), (3158, 41796), (3483, 37896), (4644, 28422), (4737, 27864), (6316, 20898), (6966, 18948), (9288, 14211), (9474, 13932), (10449, 12632)]

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