About the Number

1213873089

1213873088 ← → 1213873090

2進数表記:1001000010110100011101111000001

漢数字表記:十二億千三百八十七万三千八十九

素因数分解:

3 1 × 11 2 × 13 2 × 47 1 × 421 1

素因数の和:519
約数の個数: 72
約数和(自身を含む): 1972043136
約数和(自身を除く): 758170047

約数列:
[1, 3, 11, 13, 33, 39, 47, 121, 141, 143, 169, 363, 421, 429, 507, 517, 611, 1263, 1551, 1573, 1833, 1859, 4631, 4719, 5473, 5577, 5687, 6721, 7943, 13893, 16419, 17061, 19787, 20163, 20449, 23829, 50941, 59361, 60203, 61347, 71149, 73931, 87373, 152823, 180609, 213447, 217657, 221793, 257231, 262119, 652971, 662233, 771693, 782639, 961103, 1986699, 2347917, 2394227, 2829541, 2883309, 3344003, 7182681, 8488623, 8609029, 10032009, 25827087, 31124951, 36784033, 93374853, 110352099, 404624363, 1213873089]

約数ペア:
[(1, 1213873089), (3, 404624363), (11, 110352099), (13, 93374853), (33, 36784033), (39, 31124951), (47, 25827087), (121, 10032009), (141, 8609029), (143, 8488623), (169, 7182681), (363, 3344003), (421, 2883309), (429, 2829541), (507, 2394227), (517, 2347917), (611, 1986699), (1263, 961103), (1551, 782639), (1573, 771693), (1833, 662233), (1859, 652971), (4631, 262119), (4719, 257231), (5473, 221793), (5577, 217657), (5687, 213447), (6721, 180609), (7943, 152823), (13893, 87373), (16419, 73931), (17061, 71149), (19787, 61347), (20163, 60203), (20449, 59361), (23829, 50941)]

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