About the Number

81118992

81118991 ← → 81118993

2進数表記:100110101011100011100010000

漢数字表記:八千百十一万八千九百九十二

素因数分解:

2 4 × 3 1 × 41 1 × 47 1 × 877 1

素因数の和:976
約数の個数: 80
約数和(自身を含む): 219485952
約数和(自身を除く): 138366960

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 47, 48, 82, 94, 123, 141, 164, 188, 246, 282, 328, 376, 492, 564, 656, 752, 877, 984, 1128, 1754, 1927, 1968, 2256, 2631, 3508, 3854, 5262, 5781, 7016, 7708, 10524, 11562, 14032, 15416, 21048, 23124, 30832, 35957, 41219, 42096, 46248, 71914, 82438, 92496, 107871, 123657, 143828, 164876, 215742, 247314, 287656, 329752, 431484, 494628, 575312, 659504, 862968, 989256, 1689979, 1725936, 1978512, 3379958, 5069937, 6759916, 10139874, 13519832, 20279748, 27039664, 40559496, 81118992]

約数ペア:
[(1, 81118992), (2, 40559496), (3, 27039664), (4, 20279748), (6, 13519832), (8, 10139874), (12, 6759916), (16, 5069937), (24, 3379958), (41, 1978512), (47, 1725936), (48, 1689979), (82, 989256), (94, 862968), (123, 659504), (141, 575312), (164, 494628), (188, 431484), (246, 329752), (282, 287656), (328, 247314), (376, 215742), (492, 164876), (564, 143828), (656, 123657), (752, 107871), (877, 92496), (984, 82438), (1128, 71914), (1754, 46248), (1927, 42096), (1968, 41219), (2256, 35957), (2631, 30832), (3508, 23124), (3854, 21048), (5262, 15416), (5781, 14032), (7016, 11562), (7708, 10524)]

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