About the Number

131242408

131242407 ← → 131242409

2進数表記:111110100101001100110101000

漢数字表記:一億三千百二十四万二千四百八

素因数分解:

2 3 × 11 2 × 135581 1

素因数の和:135609
約数の個数: 24
約数和(自身を含む): 270486090
約数和(自身を除く): 139243682

約数列:
[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 135581, 271162, 542324, 1084648, 1491391, 2982782, 5965564, 11931128, 16405301, 32810602, 65621204, 131242408]

約数ペア:
[(1, 131242408), (2, 65621204), (4, 32810602), (8, 16405301), (11, 11931128), (22, 5965564), (44, 2982782), (88, 1491391), (121, 1084648), (242, 542324), (484, 271162), (968, 135581)]

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