About the Number

138399688

138399687 ← → 138399689

2進数表記:1000001111111100111111001000

漢数字表記:一億三千八百三十九万九千六百八十八

素因数分解:

2 3 × 7 1 × 113 1 × 21871 1

素因数の和:21997
約数の個数: 32
約数和(自身を含む): 299208960
約数和(自身を除く): 160809272

約数列:
[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 21871, 43742, 87484, 153097, 174968, 306194, 612388, 1224776, 2471423, 4942846, 9885692, 17299961, 19771384, 34599922, 69199844, 138399688]

約数ペア:
[(1, 138399688), (2, 69199844), (4, 34599922), (7, 19771384), (8, 17299961), (14, 9885692), (28, 4942846), (56, 2471423), (113, 1224776), (226, 612388), (452, 306194), (791, 174968), (904, 153097), (1582, 87484), (3164, 43742), (6328, 21871)]

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