13969315

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 17400096

約数和(自身を除く): 3430781

約数列:

[1, 5, 41, 83, 205, 415, 821, 3403, 4105, 17015, 33661, 68143, 168305, 340715, 2793863, 13969315]

約数ペア:

[(1, 13969315), (5, 2793863), (41, 340715), (83, 168305), (205, 68143), (415, 33661), (821, 17015), (3403, 4105)]