71731870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21803}}^1$

素因数の和:21864

約数の個数: 32

約数和(自身を含む): 150709248

約数和(自身を除く): 78977378

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 21803, 43606, 109015, 152621, 218030, 305242, 763105, 1024741, 1526210, 2049482, 5123705, 7173187, 10247410, 14346374, 35865935, 71731870]

約数ペア:

[(1, 71731870), (2, 35865935), (5, 14346374), (7, 10247410), (10, 7173187), (14, 5123705), (35, 2049482), (47, 1526210), (70, 1024741), (94, 763105), (235, 305242), (329, 218030), (470, 152621), (658, 109015), (1645, 43606), (3290, 21803)]