About the Number

123138864

123138863 ← → 123138865

2進数表記:111010101101111001100110000

漢数字表記:一億二千三百十三万八千八百六十四

素因数分解:

2 4 × 3 2 × 855131 1

素因数の和:855145
約数の個数: 30
約数和(自身を含む): 344618196
約数和(自身を除く): 221479332

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 855131, 1710262, 2565393, 3420524, 5130786, 6841048, 7696179, 10261572, 13682096, 15392358, 20523144, 30784716, 41046288, 61569432, 123138864]

約数ペア:
[(1, 123138864), (2, 61569432), (3, 41046288), (4, 30784716), (6, 20523144), (8, 15392358), (9, 13682096), (12, 10261572), (16, 7696179), (18, 6841048), (24, 5130786), (36, 3420524), (48, 2565393), (72, 1710262), (144, 855131)]

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