87420487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{27691}}^1$

素因数の和:27750

約数の個数: 16

約数和(自身を含む): 111654144

約数和(自身を除く): 24233657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 27691, 193837, 304601, 1135331, 2132207, 7947317, 12488641, 87420487]

約数ペア:

[(1, 87420487), (7, 12488641), (11, 7947317), (41, 2132207), (77, 1135331), (287, 304601), (451, 193837), (3157, 27691)]