209834465

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{3967}}^1$

素因数の和:4192

約数の個数: 16

約数和(自身を含む): 257126400

約数和(自身を除く): 47291935

約数列:

[1, 5, 71, 149, 355, 745, 3967, 10579, 19835, 52895, 281657, 591083, 1408285, 2955415, 41966893, 209834465]

約数ペア:

[(1, 209834465), (5, 41966893), (71, 2955415), (149, 1408285), (355, 591083), (745, 281657), (3967, 52895), (10579, 19835)]