About the Number

131901072

131901071 ← → 131901073

2進数表記:111110111001010011010010000

漢数字表記:一億三千百九十万千七十二

素因数分解:

2 4 × 3 1 × 73 1 × 37643 1

素因数の和:37727
約数の個数: 40
約数和(自身を含む): 345421344
約数和(自身を除く): 213520272

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 438, 584, 876, 1168, 1752, 3504, 37643, 75286, 112929, 150572, 225858, 301144, 451716, 602288, 903432, 1806864, 2747939, 5495878, 8243817, 10991756, 16487634, 21983512, 32975268, 43967024, 65950536, 131901072]

約数ペア:
[(1, 131901072), (2, 65950536), (3, 43967024), (4, 32975268), (6, 21983512), (8, 16487634), (12, 10991756), (16, 8243817), (24, 5495878), (48, 2747939), (73, 1806864), (146, 903432), (219, 602288), (292, 451716), (438, 301144), (584, 225858), (876, 150572), (1168, 112929), (1752, 75286), (3504, 37643)]

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