About the Number

202401991

202401990 ← → 202401992

2進数表記:1100000100000110100011000111

漢数字表記:二億二百四十万千九百九十一

素因数分解:

11 1 × 29 1 × 109 1 × 5821 1

素因数の和:5970
約数の個数: 16
約数和(自身を含む): 230551200
約数和(自身を除く): 28149209

約数列:
[1, 11, 29, 109, 319, 1199, 3161, 5821, 34771, 64031, 168809, 634489, 1856899, 6979379, 18400181, 202401991]

約数ペア:
[(1, 202401991), (11, 18400181), (29, 6979379), (109, 1856899), (319, 634489), (1199, 168809), (3161, 64031), (5821, 34771)]

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