13927475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 18414000

約数和(自身を除く): 4486525

約数列:

[1, 5, 19, 25, 95, 109, 269, 475, 545, 1345, 2071, 2725, 5111, 6725, 10355, 25555, 29321, 51775, 127775, 146605, 557099, 733025, 2785495, 13927475]

約数ペア:

[(1, 13927475), (5, 2785495), (19, 733025), (25, 557099), (95, 146605), (109, 127775), (269, 51775), (475, 29321), (545, 25555), (1345, 10355), (2071, 6725), (2725, 5111)]