About the Number

201563990

201563989 ← → 201563991

2進数表記:1100000000111001111101010110

漢数字表記:二億百五十六万三千九百九十

素因数分解:

2 1 × 5 1 × 137 1 × 167 1 × 881 1

素因数の和:1192
約数の個数: 32
約数和(自身を含む): 368069184
約数和(自身を除く): 166505194

約数列:
[1, 2, 5, 10, 137, 167, 274, 334, 685, 835, 881, 1370, 1670, 1762, 4405, 8810, 22879, 45758, 114395, 120697, 147127, 228790, 241394, 294254, 603485, 735635, 1206970, 1471270, 20156399, 40312798, 100781995, 201563990]

約数ペア:
[(1, 201563990), (2, 100781995), (5, 40312798), (10, 20156399), (137, 1471270), (167, 1206970), (274, 735635), (334, 603485), (685, 294254), (835, 241394), (881, 228790), (1370, 147127), (1670, 120697), (1762, 114395), (4405, 45758), (8810, 22879)]

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