About the Number

16748990

16748989 ← → 16748991

2進数表記:111111111001000110111110

漢数字表記:千六百七十四万八千九百九十

素因数分解:

2 1 × 5 1 × 31 1 × 97 1 × 557 1

素因数の和:692
約数の個数: 32
約数和(自身を含む): 31497984
約数和(自身を除く): 14748994

約数列:
[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 557, 970, 1114, 2785, 3007, 5570, 6014, 15035, 17267, 30070, 34534, 54029, 86335, 108058, 172670, 270145, 540290, 1674899, 3349798, 8374495, 16748990]

約数ペア:
[(1, 16748990), (2, 8374495), (5, 3349798), (10, 1674899), (31, 540290), (62, 270145), (97, 172670), (155, 108058), (194, 86335), (310, 54029), (485, 34534), (557, 30070), (970, 17267), (1114, 15035), (2785, 6014), (3007, 5570)]

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