About the Number

121686816

121686815 ← → 121686817

2進数表記:111010000001100101100100000

漢数字表記:一億二千百六十八万六千八百十六

素因数分解:

2 5 × 3 1 × 17 1 × 173 1 × 431 1

素因数の和:634
約数の個数: 96
約数和(自身を含む): 340962048
約数和(自身を除く): 219275232

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 173, 204, 272, 346, 408, 431, 519, 544, 692, 816, 862, 1038, 1293, 1384, 1632, 1724, 2076, 2586, 2768, 2941, 3448, 4152, 5172, 5536, 5882, 6896, 7327, 8304, 8823, 10344, 11764, 13792, 14654, 16608, 17646, 20688, 21981, 23528, 29308, 35292, 41376, 43962, 47056, 58616, 70584, 74563, 87924, 94112, 117232, 141168, 149126, 175848, 223689, 234464, 282336, 298252, 351696, 447378, 596504, 703392, 894756, 1193008, 1267571, 1789512, 2386016, 2535142, 3579024, 3802713, 5070284, 7158048, 7605426, 10140568, 15210852, 20281136, 30421704, 40562272, 60843408, 121686816]

約数ペア:
[(1, 121686816), (2, 60843408), (3, 40562272), (4, 30421704), (6, 20281136), (8, 15210852), (12, 10140568), (16, 7605426), (17, 7158048), (24, 5070284), (32, 3802713), (34, 3579024), (48, 2535142), (51, 2386016), (68, 1789512), (96, 1267571), (102, 1193008), (136, 894756), (173, 703392), (204, 596504), (272, 447378), (346, 351696), (408, 298252), (431, 282336), (519, 234464), (544, 223689), (692, 175848), (816, 149126), (862, 141168), (1038, 117232), (1293, 94112), (1384, 87924), (1632, 74563), (1724, 70584), (2076, 58616), (2586, 47056), (2768, 43962), (2941, 41376), (3448, 35292), (4152, 29308), (5172, 23528), (5536, 21981), (5882, 20688), (6896, 17646), (7327, 16608), (8304, 14654), (8823, 13792), (10344, 11764)]

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