About the Number

12821488890

12821488889 ← → 12821488891

2進数表記:1011111100001110000110010011111010

漢数字表記:百二十八億二千百四十八万八千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 61054709 1

素因数の和:61054726
約数の個数: 32
約数和(自身を含む): 35167512960
約数和(自身を除く): 22346024070

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 61054709, 122109418, 183164127, 305273545, 366328254, 427382963, 610547090, 854765926, 915820635, 1282148889, 1831641270, 2136914815, 2564297778, 4273829630, 6410744445, 12821488890]

約数ペア:
[(1, 12821488890), (2, 6410744445), (3, 4273829630), (5, 2564297778), (6, 2136914815), (7, 1831641270), (10, 1282148889), (14, 915820635), (15, 854765926), (21, 610547090), (30, 427382963), (35, 366328254), (42, 305273545), (70, 183164127), (105, 122109418), (210, 61054709)]

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