About the Number

138901948

138901947 ← → 138901949

2進数表記:1000010001110111100110111100

漢数字表記:一億三千八百九十万千九百四十八

素因数分解:

2 2 × 31 1 × 593 1 × 1889 1

素因数の和:2517
約数の個数: 24
約数和(自身を含む): 251475840
約数和(自身を除く): 112573892

約数列:
[1, 2, 4, 31, 62, 124, 593, 1186, 1889, 2372, 3778, 7556, 18383, 36766, 58559, 73532, 117118, 234236, 1120177, 2240354, 4480708, 34725487, 69450974, 138901948]

約数ペア:
[(1, 138901948), (2, 69450974), (4, 34725487), (31, 4480708), (62, 2240354), (124, 1120177), (593, 234236), (1186, 117118), (1889, 73532), (2372, 58559), (3778, 36766), (7556, 18383)]

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