About the Number

138405948

138405947 ← → 138405949

2進数表記:1000001111111110100000111100

漢数字表記:一億三千八百四十万五千九百四十八

素因数分解:

2 2 × 3 1 × 31 1 × 372059 1

素因数の和:372097
約数の個数: 24
約数和(自身を含む): 333365760
約数和(自身を除く): 194959812

約数列:
[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 372059, 744118, 1116177, 1488236, 2232354, 4464708, 11533829, 23067658, 34601487, 46135316, 69202974, 138405948]

約数ペア:
[(1, 138405948), (2, 69202974), (3, 46135316), (4, 34601487), (6, 23067658), (12, 11533829), (31, 4464708), (62, 2232354), (93, 1488236), (124, 1116177), (186, 744118), (372, 372059)]

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