About the Number

42987874

42987873 ← → 42987875

2進数表記:10100011111111000101100010

漢数字表記:四千二百九十八万七千八百七十四

素因数分解:

2 1 × 23 1 × 43 1 × 103 1 × 211 1

素因数の和:382
約数の個数: 32
約数和(自身を含む): 69848064
約数和(自身を除く): 26860190

約数列:
[1, 2, 23, 43, 46, 86, 103, 206, 211, 422, 989, 1978, 2369, 4429, 4738, 4853, 8858, 9073, 9706, 18146, 21733, 43466, 101867, 203734, 208679, 417358, 499859, 934519, 999718, 1869038, 21493937, 42987874]

約数ペア:
[(1, 42987874), (2, 21493937), (23, 1869038), (43, 999718), (46, 934519), (86, 499859), (103, 417358), (206, 208679), (211, 203734), (422, 101867), (989, 43466), (1978, 21733), (2369, 18146), (4429, 9706), (4738, 9073), (4853, 8858)]

このpageの処理時間: 0.005115509033203125 seconds