About the Number

82121970

82121969 ← → 82121971

2進数表記:100111001010001010011110010

漢数字表記:八千二百十二万千九百七十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 391057 1

素因数の和:391074
約数の個数: 32
約数和(自身を含む): 225249408
約数和(自身を除く): 143127438

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 391057, 782114, 1173171, 1955285, 2346342, 2737399, 3910570, 5474798, 5865855, 8212197, 11731710, 13686995, 16424394, 27373990, 41060985, 82121970]

約数ペア:
[(1, 82121970), (2, 41060985), (3, 27373990), (5, 16424394), (6, 13686995), (7, 11731710), (10, 8212197), (14, 5865855), (15, 5474798), (21, 3910570), (30, 2737399), (35, 2346342), (42, 1955285), (70, 1173171), (105, 782114), (210, 391057)]

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