About the Number

1291090272

1291090271 ← → 1291090273

2進数表記:1001100111101000111100101100000

漢数字表記:十二億九千百九万二百七十二

素因数分解:

2 5 × 3 1 × 101 1 × 133157 1

素因数の和:133271
約数の個数: 48
約数和(自身を含む): 3422693232
約数和(自身を除く): 2131602960

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 3232, 4848, 9696, 133157, 266314, 399471, 532628, 798942, 1065256, 1597884, 2130512, 3195768, 4261024, 6391536, 12783072, 13448857, 26897714, 40346571, 53795428, 80693142, 107590856, 161386284, 215181712, 322772568, 430363424, 645545136, 1291090272]

約数ペア:
[(1, 1291090272), (2, 645545136), (3, 430363424), (4, 322772568), (6, 215181712), (8, 161386284), (12, 107590856), (16, 80693142), (24, 53795428), (32, 40346571), (48, 26897714), (96, 13448857), (101, 12783072), (202, 6391536), (303, 4261024), (404, 3195768), (606, 2130512), (808, 1597884), (1212, 1065256), (1616, 798942), (2424, 532628), (3232, 399471), (4848, 266314), (9696, 133157)]

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