About the Number

129125401421

129125401420 ← → 129125401422

2進数表記:1111000010000011110010100001101001101

漢数字表記:千二百九十一億二千五百四十万千四百二十一

素因数分解:

19 1 × 29 1 × 101 1 × 811 1 × 2861 1

素因数の和:3821
約数の個数: 32
約数和(自身を含む): 142225372800
約数和(自身を除く): 13099971379

約数列:
[1, 19, 29, 101, 551, 811, 1919, 2861, 2929, 15409, 23519, 54359, 55651, 81911, 82969, 288961, 446861, 1556309, 1576411, 2320271, 2375419, 5490259, 8379869, 44085149, 45132961, 67287859, 159217511, 234347371, 1278469321, 4452600049, 6796073759, 129125401421]

約数ペア:
[(1, 129125401421), (19, 6796073759), (29, 4452600049), (101, 1278469321), (551, 234347371), (811, 159217511), (1919, 67287859), (2861, 45132961), (2929, 44085149), (15409, 8379869), (23519, 5490259), (54359, 2375419), (55651, 2320271), (81911, 1576411), (82969, 1556309), (288961, 446861)]

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