About the Number

201997908

201997907 ← → 201997909

2進数表記:1100000010100011111001010100

漢数字表記:二億百九十九万七千九百八

素因数分解:

2 2 × 3 3 × 7 1 × 267193 1

素因数の和:267213
約数の個数: 48
約数和(自身を含む): 598514560
約数和(自身を除く): 396516652

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 267193, 534386, 801579, 1068772, 1603158, 1870351, 2404737, 3206316, 3740702, 4809474, 5611053, 7214211, 7481404, 9618948, 11222106, 14428422, 16833159, 22444212, 28856844, 33666318, 50499477, 67332636, 100998954, 201997908]

約数ペア:
[(1, 201997908), (2, 100998954), (3, 67332636), (4, 50499477), (6, 33666318), (7, 28856844), (9, 22444212), (12, 16833159), (14, 14428422), (18, 11222106), (21, 9618948), (27, 7481404), (28, 7214211), (36, 5611053), (42, 4809474), (54, 3740702), (63, 3206316), (84, 2404737), (108, 1870351), (126, 1603158), (189, 1068772), (252, 801579), (378, 534386), (756, 267193)]

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