About the Number

201302805

201302804 ← → 201302806

2進数表記:1011111111111010001100010101

漢数字表記:二億百三十万二千八百五

素因数分解:

3 1 × 5 1 × 11 1 × 83 1 × 14699 1

素因数の和:14801
約数の個数: 32
約数和(自身を含む): 355622400
約数和(自身を除く): 154319595

約数列:
[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2739, 4565, 13695, 14699, 44097, 73495, 161689, 220485, 485067, 808445, 1220017, 2425335, 3660051, 6100085, 13420187, 18300255, 40260561, 67100935, 201302805]

約数ペア:
[(1, 201302805), (3, 67100935), (5, 40260561), (11, 18300255), (15, 13420187), (33, 6100085), (55, 3660051), (83, 2425335), (165, 1220017), (249, 808445), (415, 485067), (913, 220485), (1245, 161689), (2739, 73495), (4565, 44097), (13695, 14699)]

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