13040405

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1627}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 17973120

約数和(自身を除く): 4932715

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 1627, 8015, 8135, 11389, 56945, 372583, 1862915, 2608081, 13040405]

約数ペア:

[(1, 13040405), (5, 2608081), (7, 1862915), (35, 372583), (229, 56945), (1145, 11389), (1603, 8135), (1627, 8015)]