8909989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 11197440

約数和(自身を除く): 2287451

約数列:

[1, 11, 17, 29, 31, 53, 187, 319, 341, 493, 527, 583, 899, 901, 1537, 1643, 5423, 5797, 9889, 9911, 15283, 16907, 18073, 26129, 27931, 47647, 168113, 287419, 307241, 524117, 809999, 8909989]

約数ペア:

[(1, 8909989), (11, 809999), (17, 524117), (29, 307241), (31, 287419), (53, 168113), (187, 47647), (319, 27931), (341, 26129), (493, 18073), (527, 16907), (583, 15283), (899, 9911), (901, 9889), (1537, 5797), (1643, 5423)]