87720514

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{202121}}^1$

素因数の和:202161

約数の個数: 16

約数和(自身を含む): 155229696

約数和(自身を除く): 67509182

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 202121, 404242, 1414847, 2829694, 6265751, 12531502, 43860257, 87720514]

約数ペア:

[(1, 87720514), (2, 43860257), (7, 12531502), (14, 6265751), (31, 2829694), (62, 1414847), (217, 404242), (434, 202121)]