About the Number

71389188

71389187 ← → 71389189

2進数表記:100010000010101000000000100

漢数字表記:七千百三十八万九千百八十八

素因数分解:

2 2 × 3 4 × 13 1 × 17 1 × 997 1

素因数の和:1043
約数の個数: 120
約数和(自身を含む): 213017112
約数和(自身を除く): 141627924

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 306, 324, 351, 442, 459, 468, 612, 663, 702, 884, 918, 997, 1053, 1326, 1377, 1404, 1836, 1989, 1994, 2106, 2652, 2754, 2991, 3978, 3988, 4212, 5508, 5967, 5982, 7956, 8973, 11934, 11964, 12961, 16949, 17901, 17946, 23868, 25922, 26919, 33898, 35802, 35892, 38883, 50847, 51844, 53838, 67796, 71604, 77766, 80757, 101694, 107676, 116649, 152541, 155532, 161514, 203388, 220337, 233298, 305082, 323028, 349947, 440674, 457623, 466596, 610164, 661011, 699894, 881348, 915246, 1049841, 1322022, 1372869, 1399788, 1830492, 1983033, 2099682, 2644044, 2745738, 3966066, 4199364, 5491476, 5949099, 7932132, 11898198, 17847297, 23796396, 35694594, 71389188]

約数ペア:
[(1, 71389188), (2, 35694594), (3, 23796396), (4, 17847297), (6, 11898198), (9, 7932132), (12, 5949099), (13, 5491476), (17, 4199364), (18, 3966066), (26, 2745738), (27, 2644044), (34, 2099682), (36, 1983033), (39, 1830492), (51, 1399788), (52, 1372869), (54, 1322022), (68, 1049841), (78, 915246), (81, 881348), (102, 699894), (108, 661011), (117, 610164), (153, 466596), (156, 457623), (162, 440674), (204, 349947), (221, 323028), (234, 305082), (306, 233298), (324, 220337), (351, 203388), (442, 161514), (459, 155532), (468, 152541), (612, 116649), (663, 107676), (702, 101694), (884, 80757), (918, 77766), (997, 71604), (1053, 67796), (1326, 53838), (1377, 51844), (1404, 50847), (1836, 38883), (1989, 35892), (1994, 35802), (2106, 33898), (2652, 26919), (2754, 25922), (2991, 23868), (3978, 17946), (3988, 17901), (4212, 16949), (5508, 12961), (5967, 11964), (5982, 11934), (7956, 8973)]

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