About the Number

6688890

6688889 ← → 6688891

2進数表記:11001100001000001111010

漢数字表記:六百六十八万八千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 5717 1

素因数の和:5743
約数の個数: 48
約数和(自身を含む): 18732168
約数和(自身を除く): 12043278

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 5717, 11434, 17151, 28585, 34302, 51453, 57170, 74321, 85755, 102906, 148642, 171510, 222963, 257265, 371605, 445926, 514530, 668889, 743210, 1114815, 1337778, 2229630, 3344445, 6688890]

約数ペア:
[(1, 6688890), (2, 3344445), (3, 2229630), (5, 1337778), (6, 1114815), (9, 743210), (10, 668889), (13, 514530), (15, 445926), (18, 371605), (26, 257265), (30, 222963), (39, 171510), (45, 148642), (65, 102906), (78, 85755), (90, 74321), (117, 57170), (130, 51453), (195, 34302), (234, 28585), (390, 17151), (585, 11434), (1170, 5717)]

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