71531068

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18379}}^1$

素因数の和:18529

約数の個数: 24

約数和(自身を含む): 144099200

約数和(自身を除く): 72568132

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 18379, 36758, 73516, 128653, 257306, 514612, 2554681, 5109362, 10218724, 17882767, 35765534, 71531068]

約数ペア:

[(1, 71531068), (2, 35765534), (4, 17882767), (7, 10218724), (14, 5109362), (28, 2554681), (139, 514612), (278, 257306), (556, 128653), (973, 73516), (1946, 36758), (3892, 18379)]