About the Number

131099248

131099247 ← → 131099249

2進数表記:111110100000110101001110000

漢数字表記:一億三千百九万九千二百四十八

素因数分解:

2 4 × 7 1 × 31 1 × 61 1 × 619 1

素因数の和:726
約数の個数: 80
約数和(自身を含む): 305059840
約数和(自身を除く): 173960592

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 619, 854, 868, 976, 1238, 1708, 1736, 1891, 2476, 3416, 3472, 3782, 4333, 4952, 6832, 7564, 8666, 9904, 13237, 15128, 17332, 19189, 26474, 30256, 34664, 37759, 38378, 52948, 69328, 75518, 76756, 105896, 134323, 151036, 153512, 211792, 264313, 268646, 302072, 307024, 528626, 537292, 604144, 1057252, 1074584, 1170529, 2114504, 2149168, 2341058, 4229008, 4682116, 8193703, 9364232, 16387406, 18728464, 32774812, 65549624, 131099248]

約数ペア:
[(1, 131099248), (2, 65549624), (4, 32774812), (7, 18728464), (8, 16387406), (14, 9364232), (16, 8193703), (28, 4682116), (31, 4229008), (56, 2341058), (61, 2149168), (62, 2114504), (112, 1170529), (122, 1074584), (124, 1057252), (217, 604144), (244, 537292), (248, 528626), (427, 307024), (434, 302072), (488, 268646), (496, 264313), (619, 211792), (854, 153512), (868, 151036), (976, 134323), (1238, 105896), (1708, 76756), (1736, 75518), (1891, 69328), (2476, 52948), (3416, 38378), (3472, 37759), (3782, 34664), (4333, 30256), (4952, 26474), (6832, 19189), (7564, 17332), (8666, 15128), (9904, 13237)]

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