About the Number

131987328

131987327 ← → 131987329

2進数表記:111110111011111011110000000

漢数字表記:一億三千百九十八万七千三百二十八

素因数分解:

2 7 × 3 1 × 11 1 × 31247 1

素因数の和:31275
約数の個数: 64
約数和(自身を含む): 382475520
約数和(自身を除く): 250488192

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 31247, 62494, 93741, 124988, 187482, 249976, 343717, 374964, 499952, 687434, 749928, 999904, 1031151, 1374868, 1499856, 1999808, 2062302, 2749736, 2999712, 3999616, 4124604, 5499472, 5999424, 8249208, 10998944, 11998848, 16498416, 21997888, 32996832, 43995776, 65993664, 131987328]

約数ペア:
[(1, 131987328), (2, 65993664), (3, 43995776), (4, 32996832), (6, 21997888), (8, 16498416), (11, 11998848), (12, 10998944), (16, 8249208), (22, 5999424), (24, 5499472), (32, 4124604), (33, 3999616), (44, 2999712), (48, 2749736), (64, 2062302), (66, 1999808), (88, 1499856), (96, 1374868), (128, 1031151), (132, 999904), (176, 749928), (192, 687434), (264, 499952), (352, 374964), (384, 343717), (528, 249976), (704, 187482), (1056, 124988), (1408, 93741), (2112, 62494), (4224, 31247)]

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