About the Number

31890138

31890137 ← → 31890139

2進数表記:1111001101001101011011010

漢数字表記:三千百八十九万百三十八

素因数分解:

2 1 × 3 1 × 7 1 × 283 1 × 2683 1

素因数の和:2978
約数の個数: 32
約数和(自身を含む): 73176576
約数和(自身を除く): 41286438

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 283, 566, 849, 1698, 1981, 2683, 3962, 5366, 5943, 8049, 11886, 16098, 18781, 37562, 56343, 112686, 759289, 1518578, 2277867, 4555734, 5315023, 10630046, 15945069, 31890138]

約数ペア:
[(1, 31890138), (2, 15945069), (3, 10630046), (6, 5315023), (7, 4555734), (14, 2277867), (21, 1518578), (42, 759289), (283, 112686), (566, 56343), (849, 37562), (1698, 18781), (1981, 16098), (2683, 11886), (3962, 8049), (5366, 5943)]

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