About the Number

131421156

131421155 ← → 131421157

2進数表記:111110101010101001111100100

漢数字表記:一億三千百四十二万千百五十六

素因数分解:

2 2 × 3 1 × 29 1 × 241 1 × 1567 1

素因数の和:1844
約数の個数: 48
約数和(自身を含む): 318743040
約数和(自身を除く): 187321884

約数列:
[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 241, 348, 482, 723, 964, 1446, 1567, 2892, 3134, 4701, 6268, 6989, 9402, 13978, 18804, 20967, 27956, 41934, 45443, 83868, 90886, 136329, 181772, 272658, 377647, 545316, 755294, 1132941, 1510588, 2265882, 4531764, 10951763, 21903526, 32855289, 43807052, 65710578, 131421156]

約数ペア:
[(1, 131421156), (2, 65710578), (3, 43807052), (4, 32855289), (6, 21903526), (12, 10951763), (29, 4531764), (58, 2265882), (87, 1510588), (116, 1132941), (174, 755294), (241, 545316), (348, 377647), (482, 272658), (723, 181772), (964, 136329), (1446, 90886), (1567, 83868), (2892, 45443), (3134, 41934), (4701, 27956), (6268, 20967), (6989, 18804), (9402, 13978)]

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