About the Number

31989012

31989011 ← → 31989013

2進数表記:1111010000001110100010100

漢数字表記:三千百九十八万九千十二

素因数分解:

2 2 × 3 1 × 11 2 × 22031 1

素因数の和:22060
約数の個数: 36
約数和(自身を含む): 82047168
約数和(自身を除く): 50058156

約数列:
[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 22031, 44062, 66093, 88124, 132186, 242341, 264372, 484682, 727023, 969364, 1454046, 2665751, 2908092, 5331502, 7997253, 10663004, 15994506, 31989012]

約数ペア:
[(1, 31989012), (2, 15994506), (3, 10663004), (4, 7997253), (6, 5331502), (11, 2908092), (12, 2665751), (22, 1454046), (33, 969364), (44, 727023), (66, 484682), (121, 264372), (132, 242341), (242, 132186), (363, 88124), (484, 66093), (726, 44062), (1452, 22031)]

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