About the Number

28071505

28071504 ← → 28071506

2進数表記:1101011000101011001010001

漢数字表記:二千八百七万千五百五

素因数分解:

5 1 × 7 1 × 11 1 × 17 1 × 4289 1

素因数の和:4329
約数の個数: 32
約数和(自身を含む): 44478720
約数和(自身を除く): 16407215

約数列:
[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4289, 6545, 21445, 30023, 47179, 72913, 150115, 235895, 330253, 364565, 510391, 802043, 1651265, 2551955, 4010215, 5614301, 28071505]

約数ペア:
[(1, 28071505), (5, 5614301), (7, 4010215), (11, 2551955), (17, 1651265), (35, 802043), (55, 510391), (77, 364565), (85, 330253), (119, 235895), (187, 150115), (385, 72913), (595, 47179), (935, 30023), (1309, 21445), (4289, 6545)]

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