About the Number

129039904

129039903 ← → 129039905

2進数表記:111101100001111111000100000

漢数字表記:一億二千九百三万九千九百四

素因数分解:

2 5 × 7 1 × 43 1 × 13397 1

素因数の和:13457
約数の個数: 48
約数和(自身を含む): 297114048
約数和(自身を除く): 168074144

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 9632, 13397, 26794, 53588, 93779, 107176, 187558, 214352, 375116, 428704, 576071, 750232, 1152142, 1500464, 2304284, 3000928, 4032497, 4608568, 8064994, 9217136, 16129988, 18434272, 32259976, 64519952, 129039904]

約数ペア:
[(1, 129039904), (2, 64519952), (4, 32259976), (7, 18434272), (8, 16129988), (14, 9217136), (16, 8064994), (28, 4608568), (32, 4032497), (43, 3000928), (56, 2304284), (86, 1500464), (112, 1152142), (172, 750232), (224, 576071), (301, 428704), (344, 375116), (602, 214352), (688, 187558), (1204, 107176), (1376, 93779), (2408, 53588), (4816, 26794), (9632, 13397)]

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