About the Number

642239928

642239927 ← → 642239929

2進数表記:100110010001111100110110111000

漢数字表記:六億四千二百二十三万九千九百二十八

素因数分解:

2 3 × 3 4 × 11 2 × 8191 1

素因数の和:8231
約数の個数: 120
約数和(自身を含む): 1977507840
約数和(自身を除く): 1335267912

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 121, 132, 162, 198, 216, 242, 264, 297, 324, 363, 396, 484, 594, 648, 726, 792, 891, 968, 1089, 1188, 1452, 1782, 2178, 2376, 2904, 3267, 3564, 4356, 6534, 7128, 8191, 8712, 9801, 13068, 16382, 19602, 24573, 26136, 32764, 39204, 49146, 65528, 73719, 78408, 90101, 98292, 147438, 180202, 196584, 221157, 270303, 294876, 360404, 442314, 540606, 589752, 663471, 720808, 810909, 884628, 991111, 1081212, 1326942, 1621818, 1769256, 1982222, 2162424, 2432727, 2653884, 2973333, 3243636, 3964444, 4865454, 5307768, 5946666, 6487272, 7298181, 7928888, 8919999, 9730908, 11893332, 14596362, 17839998, 19461816, 23786664, 26759997, 29192724, 35679996, 53519994, 58385448, 71359992, 80279991, 107039988, 160559982, 214079976, 321119964, 642239928]

約数ペア:
[(1, 642239928), (2, 321119964), (3, 214079976), (4, 160559982), (6, 107039988), (8, 80279991), (9, 71359992), (11, 58385448), (12, 53519994), (18, 35679996), (22, 29192724), (24, 26759997), (27, 23786664), (33, 19461816), (36, 17839998), (44, 14596362), (54, 11893332), (66, 9730908), (72, 8919999), (81, 7928888), (88, 7298181), (99, 6487272), (108, 5946666), (121, 5307768), (132, 4865454), (162, 3964444), (198, 3243636), (216, 2973333), (242, 2653884), (264, 2432727), (297, 2162424), (324, 1982222), (363, 1769256), (396, 1621818), (484, 1326942), (594, 1081212), (648, 991111), (726, 884628), (792, 810909), (891, 720808), (968, 663471), (1089, 589752), (1188, 540606), (1452, 442314), (1782, 360404), (2178, 294876), (2376, 270303), (2904, 221157), (3267, 196584), (3564, 180202), (4356, 147438), (6534, 98292), (7128, 90101), (8191, 78408), (8712, 73719), (9801, 65528), (13068, 49146), (16382, 39204), (19602, 32764), (24573, 26136)]

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