203419489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{72109}}^1$

素因数の和:72160

約数の個数: 16

約数和(自身を含む): 258442240

約数和(自身を除く): 55022751

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 72109, 504763, 937417, 2235379, 6561919, 15647653, 29059927, 203419489]

約数ペア:

[(1, 203419489), (7, 29059927), (13, 15647653), (31, 6561919), (91, 2235379), (217, 937417), (403, 504763), (2821, 72109)]