About the Number

5128389

5128388 ← → 5128390

2進数表記:10011100100000011000101

漢数字表記:五百十二万八千三百八十九

素因数分解:

3 2 × 7 2 × 29 1 × 401 1

素因数の和:450
約数の個数: 36
約数和(自身を含む): 8936460
約数和(自身を除く): 3808071

約数列:
[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 401, 441, 609, 1203, 1421, 1827, 2807, 3609, 4263, 8421, 11629, 12789, 19649, 25263, 34887, 58947, 81403, 104661, 176841, 244209, 569821, 732627, 1709463, 5128389]

約数ペア:
[(1, 5128389), (3, 1709463), (7, 732627), (9, 569821), (21, 244209), (29, 176841), (49, 104661), (63, 81403), (87, 58947), (147, 34887), (203, 25263), (261, 19649), (401, 12789), (441, 11629), (609, 8421), (1203, 4263), (1421, 3609), (1827, 2807)]

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