About the Number

1288897272

1288897271 ← → 1288897273

2進数表記:1001100110100110000001011111000

漢数字表記:十二億八千八百八十九万七千二百七十二

素因数分解:

2 3 × 3 5 × 13 1 × 51001 1

素因数の和:51035
約数の個数: 96
約数和(自身を含む): 3898592880
約数和(自身を除く): 2609695608

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 936, 972, 1053, 1404, 1944, 2106, 2808, 3159, 4212, 6318, 8424, 12636, 25272, 51001, 102002, 153003, 204004, 306006, 408008, 459009, 612012, 663013, 918018, 1224024, 1326026, 1377027, 1836036, 1989039, 2652052, 2754054, 3672072, 3978078, 4131081, 5304104, 5508108, 5967117, 7956156, 8262162, 11016216, 11934234, 12393243, 15912312, 16524324, 17901351, 23868468, 24786486, 33048648, 35802702, 47736936, 49572972, 53704053, 71605404, 99145944, 107408106, 143210808, 161112159, 214816212, 322224318, 429632424, 644448636, 1288897272]

約数ペア:
[(1, 1288897272), (2, 644448636), (3, 429632424), (4, 322224318), (6, 214816212), (8, 161112159), (9, 143210808), (12, 107408106), (13, 99145944), (18, 71605404), (24, 53704053), (26, 49572972), (27, 47736936), (36, 35802702), (39, 33048648), (52, 24786486), (54, 23868468), (72, 17901351), (78, 16524324), (81, 15912312), (104, 12393243), (108, 11934234), (117, 11016216), (156, 8262162), (162, 7956156), (216, 5967117), (234, 5508108), (243, 5304104), (312, 4131081), (324, 3978078), (351, 3672072), (468, 2754054), (486, 2652052), (648, 1989039), (702, 1836036), (936, 1377027), (972, 1326026), (1053, 1224024), (1404, 918018), (1944, 663013), (2106, 612012), (2808, 459009), (3159, 408008), (4212, 306006), (6318, 204004), (8424, 153003), (12636, 102002), (25272, 51001)]

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