About the Number

213810688

213810687 ← → 213810689

2進数表記:1100101111100111111000000000

漢数字表記:二億千三百八十一万六百八十八

素因数分解:

2 9 × 7 1 × 13 2 × 353 1

素因数の和:404
約数の個数: 120
約数和(自身を含む): 530175888
約数和(自身を除く): 316365200

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 353, 364, 416, 448, 512, 676, 706, 728, 832, 896, 1183, 1352, 1412, 1456, 1664, 1792, 2366, 2471, 2704, 2824, 2912, 3328, 3584, 4589, 4732, 4942, 5408, 5648, 5824, 6656, 9178, 9464, 9884, 10816, 11296, 11648, 18356, 18928, 19768, 21632, 22592, 23296, 32123, 36712, 37856, 39536, 43264, 45184, 46592, 59657, 64246, 73424, 75712, 79072, 86528, 90368, 119314, 128492, 146848, 151424, 158144, 180736, 238628, 256984, 293696, 302848, 316288, 417599, 477256, 513968, 587392, 605696, 632576, 835198, 954512, 1027936, 1174784, 1265152, 1670396, 1909024, 2055872, 2349568, 3340792, 3818048, 4111744, 6681584, 7636096, 8223488, 13363168, 15272192, 16446976, 26726336, 30544384, 53452672, 106905344, 213810688]

約数ペア:
[(1, 213810688), (2, 106905344), (4, 53452672), (7, 30544384), (8, 26726336), (13, 16446976), (14, 15272192), (16, 13363168), (26, 8223488), (28, 7636096), (32, 6681584), (52, 4111744), (56, 3818048), (64, 3340792), (91, 2349568), (104, 2055872), (112, 1909024), (128, 1670396), (169, 1265152), (182, 1174784), (208, 1027936), (224, 954512), (256, 835198), (338, 632576), (353, 605696), (364, 587392), (416, 513968), (448, 477256), (512, 417599), (676, 316288), (706, 302848), (728, 293696), (832, 256984), (896, 238628), (1183, 180736), (1352, 158144), (1412, 151424), (1456, 146848), (1664, 128492), (1792, 119314), (2366, 90368), (2471, 86528), (2704, 79072), (2824, 75712), (2912, 73424), (3328, 64246), (3584, 59657), (4589, 46592), (4732, 45184), (4942, 43264), (5408, 39536), (5648, 37856), (5824, 36712), (6656, 32123), (9178, 23296), (9464, 22592), (9884, 21632), (10816, 19768), (11296, 18928), (11648, 18356)]

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