28784522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{8081}}^1$

素因数の和:8233

約数の個数: 16

約数和(自身を含む): 46843272

約数和(自身を除く): 18058750

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 8081, 16162, 105053, 210106, 1107097, 2214194, 14392261, 28784522]

約数ペア:

[(1, 28784522), (2, 14392261), (13, 2214194), (26, 1107097), (137, 210106), (274, 105053), (1781, 16162), (3562, 8081)]