About the Number

201889863

201889862 ← → 201889864

2進数表記:1100000010001001100001000111

漢数字表記:二億百八十八万九千八百六十三

素因数分解:

3 2 × 7 1 × 41 1 × 47 1 × 1663 1

素因数の和:1764
約数の個数: 48
約数和(自身を含む): 348880896
約数和(自身を除く): 146991033

約数列:
[1, 3, 7, 9, 21, 41, 47, 63, 123, 141, 287, 329, 369, 423, 861, 987, 1663, 1927, 2583, 2961, 4989, 5781, 11641, 13489, 14967, 17343, 34923, 40467, 68183, 78161, 104769, 121401, 204549, 234483, 477281, 547127, 613647, 703449, 1431843, 1641381, 3204601, 4295529, 4924143, 9613803, 22432207, 28841409, 67296621, 201889863]

約数ペア:
[(1, 201889863), (3, 67296621), (7, 28841409), (9, 22432207), (21, 9613803), (41, 4924143), (47, 4295529), (63, 3204601), (123, 1641381), (141, 1431843), (287, 703449), (329, 613647), (369, 547127), (423, 477281), (861, 234483), (987, 204549), (1663, 121401), (1927, 104769), (2583, 78161), (2961, 68183), (4989, 40467), (5781, 34923), (11641, 17343), (13489, 14967)]

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