About the Number

12131790

12131789 ← → 12131791

2進数表記:101110010001110111001110

漢数字表記:千二百十三万千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 97 1 × 379 1

素因数の和:497
約数の個数: 64
約数和(自身を含む): 32175360
約数和(自身を除く): 20043570

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 97, 110, 165, 194, 291, 330, 379, 485, 582, 758, 970, 1067, 1137, 1455, 1895, 2134, 2274, 2910, 3201, 3790, 4169, 5335, 5685, 6402, 8338, 10670, 11370, 12507, 16005, 20845, 25014, 32010, 36763, 41690, 62535, 73526, 110289, 125070, 183815, 220578, 367630, 404393, 551445, 808786, 1102890, 1213179, 2021965, 2426358, 4043930, 6065895, 12131790]

約数ペア:
[(1, 12131790), (2, 6065895), (3, 4043930), (5, 2426358), (6, 2021965), (10, 1213179), (11, 1102890), (15, 808786), (22, 551445), (30, 404393), (33, 367630), (55, 220578), (66, 183815), (97, 125070), (110, 110289), (165, 73526), (194, 62535), (291, 41690), (330, 36763), (379, 32010), (485, 25014), (582, 20845), (758, 16005), (970, 12507), (1067, 11370), (1137, 10670), (1455, 8338), (1895, 6402), (2134, 5685), (2274, 5335), (2910, 4169), (3201, 3790)]

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