About the Number

221381808

221381807 ← → 221381809

2進数表記:1101001100100000010010110000

漢数字表記:二億二千百三十八万千八百八

素因数分解:

2 4 × 3 1 × 23 1 × 193 1 × 1039 1

素因数の和:1266
約数の個数: 80
約数和(自身を含む): 600437760
約数和(自身を除く): 379055952

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 193, 276, 368, 386, 552, 579, 772, 1039, 1104, 1158, 1544, 2078, 2316, 3088, 3117, 4156, 4439, 4632, 6234, 8312, 8878, 9264, 12468, 13317, 16624, 17756, 23897, 24936, 26634, 35512, 47794, 49872, 53268, 71024, 71691, 95588, 106536, 143382, 191176, 200527, 213072, 286764, 382352, 401054, 573528, 601581, 802108, 1147056, 1203162, 1604216, 2406324, 3208432, 4612121, 4812648, 9224242, 9625296, 13836363, 18448484, 27672726, 36896968, 55345452, 73793936, 110690904, 221381808]

約数ペア:
[(1, 221381808), (2, 110690904), (3, 73793936), (4, 55345452), (6, 36896968), (8, 27672726), (12, 18448484), (16, 13836363), (23, 9625296), (24, 9224242), (46, 4812648), (48, 4612121), (69, 3208432), (92, 2406324), (138, 1604216), (184, 1203162), (193, 1147056), (276, 802108), (368, 601581), (386, 573528), (552, 401054), (579, 382352), (772, 286764), (1039, 213072), (1104, 200527), (1158, 191176), (1544, 143382), (2078, 106536), (2316, 95588), (3088, 71691), (3117, 71024), (4156, 53268), (4439, 49872), (4632, 47794), (6234, 35512), (8312, 26634), (8878, 24936), (9264, 23897), (12468, 17756), (13317, 16624)]

このpageの処理時間: 0.010680675506591797 seconds