28676758

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1764

約数の個数: 24

約数和(自身を含む): 47975760

約数和(自身を除く): 19299002

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1562, 1669, 3338, 8591, 17182, 18359, 36718, 118499, 201949, 236998, 403898, 1303489, 2606978, 14338379, 28676758]

約数ペア:

[(1, 28676758), (2, 14338379), (11, 2606978), (22, 1303489), (71, 403898), (121, 236998), (142, 201949), (242, 118499), (781, 36718), (1562, 18359), (1669, 17182), (3338, 8591)]