28702886

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 44022528

約数和(自身を除く): 15319642

約数列:

[1, 2, 71, 131, 142, 262, 1543, 3086, 9301, 18602, 109553, 202133, 219106, 404266, 14351443, 28702886]

約数ペア:

[(1, 28702886), (2, 14351443), (71, 404266), (131, 219106), (142, 202133), (262, 109553), (1543, 18602), (3086, 9301)]