About the Number

121789128

121789127 ← → 121789129

2進数表記:111010000100101101011001000

漢数字表記:一億二千百七十八万九千百二十八

素因数分解:

2 3 × 3 1 × 131 1 × 38737 1

素因数の和:38877
約数の個数: 32
約数和(自身を含む): 306804960
約数和(自身を除く): 185015832

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 38737, 77474, 116211, 154948, 232422, 309896, 464844, 929688, 5074547, 10149094, 15223641, 20298188, 30447282, 40596376, 60894564, 121789128]

約数ペア:
[(1, 121789128), (2, 60894564), (3, 40596376), (4, 30447282), (6, 20298188), (8, 15223641), (12, 10149094), (24, 5074547), (131, 929688), (262, 464844), (393, 309896), (524, 232422), (786, 154948), (1048, 116211), (1572, 77474), (3144, 38737)]

このpageの処理時間: 0.013106346130371094 seconds