About the Number

129988001

129988000 ← → 129988002

2進数表記:111101111110111010110100001

漢数字表記:一億二千九百九十八万八千一

素因数分解:

11 2 × 13 1 × 17 1 × 4861 1

素因数の和:4913
約数の個数: 24
約数和(自身を含む): 162954792
約数和(自身を除く): 32966791

約数列:
[1, 11, 13, 17, 121, 143, 187, 221, 1573, 2057, 2431, 4861, 26741, 53471, 63193, 82637, 588181, 695123, 909007, 1074281, 7646353, 9999077, 11817091, 129988001]

約数ペア:
[(1, 129988001), (11, 11817091), (13, 9999077), (17, 7646353), (121, 1074281), (143, 909007), (187, 695123), (221, 588181), (1573, 82637), (2057, 63193), (2431, 53471), (4861, 26741)]

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