28534891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21799}}^1$

素因数の和:21834

約数の個数: 16

約数和(自身を含む): 37670400

約数和(自身を除く): 9135509

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21799, 152593, 239789, 370583, 1678523, 2594081, 4076413, 28534891]

約数ペア:

[(1, 28534891), (7, 4076413), (11, 2594081), (17, 1678523), (77, 370583), (119, 239789), (187, 152593), (1309, 21799)]