About the Number

2013128388

2013128387 ← → 2013128389

2進数表記:1110111111111011110011011000100

漢数字表記:二十億千三百十二万八千三百八十八

素因数分解:

2 2 × 3 2 × 107 1 × 233 1 × 2243 1

素因数の和:2593
約数の個数: 72
約数和(自身を含む): 5160643488
約数和(自身を除く): 3147515100

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 233, 321, 428, 466, 642, 699, 932, 963, 1284, 1398, 1926, 2097, 2243, 2796, 3852, 4194, 4486, 6729, 8388, 8972, 13458, 20187, 24931, 26916, 40374, 49862, 74793, 80748, 99724, 149586, 224379, 240001, 299172, 448758, 480002, 522619, 720003, 897516, 960004, 1045238, 1440006, 1567857, 2090476, 2160009, 2880012, 3135714, 4320018, 4703571, 6271428, 8640036, 9407142, 18814284, 55920233, 111840466, 167760699, 223680932, 335521398, 503282097, 671042796, 1006564194, 2013128388]

約数ペア:
[(1, 2013128388), (2, 1006564194), (3, 671042796), (4, 503282097), (6, 335521398), (9, 223680932), (12, 167760699), (18, 111840466), (36, 55920233), (107, 18814284), (214, 9407142), (233, 8640036), (321, 6271428), (428, 4703571), (466, 4320018), (642, 3135714), (699, 2880012), (932, 2160009), (963, 2090476), (1284, 1567857), (1398, 1440006), (1926, 1045238), (2097, 960004), (2243, 897516), (2796, 720003), (3852, 522619), (4194, 480002), (4486, 448758), (6729, 299172), (8388, 240001), (8972, 224379), (13458, 149586), (20187, 99724), (24931, 80748), (26916, 74793), (40374, 49862)]

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