13385405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12809}}^1$

素因数の和:12844

約数の個数: 16

約数和(自身を含む): 18446400

約数和(自身を除く): 5060995

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12809, 64045, 140899, 243371, 704495, 1216855, 2677081, 13385405]

約数ペア:

[(1, 13385405), (5, 2677081), (11, 1216855), (19, 704495), (55, 243371), (95, 140899), (209, 64045), (1045, 12809)]