About the Number

84101985

84101984 ← → 84101986

2進数表記:101000000110100101101100001

漢数字表記:八千四百十万千九百八十五

素因数分解:

3 2 × 5 1 × 11 1 × 71 1 × 2393 1

素因数の和:2486
約数の個数: 48
約数和(自身を含む): 161336448
約数和(自身を除く): 77234463

約数列:
[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2343, 2393, 3195, 3905, 7029, 7179, 11715, 11965, 21537, 26323, 35145, 35895, 78969, 107685, 131615, 169903, 236907, 394845, 509709, 849515, 1184535, 1529127, 1868933, 2548545, 5606799, 7645635, 9344665, 16820397, 28033995, 84101985]

約数ペア:
[(1, 84101985), (3, 28033995), (5, 16820397), (9, 9344665), (11, 7645635), (15, 5606799), (33, 2548545), (45, 1868933), (55, 1529127), (71, 1184535), (99, 849515), (165, 509709), (213, 394845), (355, 236907), (495, 169903), (639, 131615), (781, 107685), (1065, 78969), (2343, 35895), (2393, 35145), (3195, 26323), (3905, 21537), (7029, 11965), (7179, 11715)]

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