About the Number

121901248

121901247 ← → 121901249

2進数表記:111010001000001000011000000

漢数字表記:一億二千百九十万千二百四十八

素因数分解:

2 6 × 7 1 × 107 1 × 2543 1

素因数の和:2669
約数の個数: 56
約数和(自身を含む): 279148032
約数和(自身を除く): 157246784

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 428, 448, 749, 856, 1498, 1712, 2543, 2996, 3424, 5086, 5992, 6848, 10172, 11984, 17801, 20344, 23968, 35602, 40688, 47936, 71204, 81376, 142408, 162752, 272101, 284816, 544202, 569632, 1088404, 1139264, 1904707, 2176808, 3809414, 4353616, 7618828, 8707232, 15237656, 17414464, 30475312, 60950624, 121901248]

約数ペア:
[(1, 121901248), (2, 60950624), (4, 30475312), (7, 17414464), (8, 15237656), (14, 8707232), (16, 7618828), (28, 4353616), (32, 3809414), (56, 2176808), (64, 1904707), (107, 1139264), (112, 1088404), (214, 569632), (224, 544202), (428, 284816), (448, 272101), (749, 162752), (856, 142408), (1498, 81376), (1712, 71204), (2543, 47936), (2996, 40688), (3424, 35602), (5086, 23968), (5992, 20344), (6848, 17801), (10172, 11984)]

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