About the Number

71989442

71989441 ← → 71989443

2進数表記:100010010100111100011000010

漢数字表記:七千百九十八万九千四百四十二

素因数分解:

2 1 × 7 1 × 19 1 × 127 1 × 2131 1

素因数の和:2286
約数の個数: 32
約数和(自身を含む): 130990080
約数和(自身を除く): 59000638

約数列:
[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2131, 2413, 4262, 4826, 14917, 16891, 29834, 33782, 40489, 80978, 270637, 283423, 541274, 566846, 1894459, 3788918, 5142103, 10284206, 35994721, 71989442]

約数ペア:
[(1, 71989442), (2, 35994721), (7, 10284206), (14, 5142103), (19, 3788918), (38, 1894459), (127, 566846), (133, 541274), (254, 283423), (266, 270637), (889, 80978), (1778, 40489), (2131, 33782), (2413, 29834), (4262, 16891), (4826, 14917)]

このpageの処理時間: 0.005405426025390625 seconds