409203985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{18313}}^1$

素因数の和:18468

約数の個数: 16

約数和(自身を含む): 507664080

約数和(自身を除く): 98460095

約数列:

[1, 5, 41, 109, 205, 545, 4469, 18313, 22345, 91565, 750833, 1996117, 3754165, 9980585, 81840797, 409203985]

約数ペア:

[(1, 409203985), (5, 81840797), (41, 9980585), (109, 3754165), (205, 1996117), (545, 750833), (4469, 91565), (18313, 22345)]