208278890

素因数分解:

$2^1\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{14159}}^1$

素因数の和:15637

約数の個数: 16

約数和(自身を含む): 375183360

約数和(自身を除く): 166904470

約数列:

[1, 2, 5, 10, 1471, 2942, 7355, 14159, 14710, 28318, 70795, 141590, 20827889, 41655778, 104139445, 208278890]

約数ペア:

[(1, 208278890), (2, 104139445), (5, 41655778), (10, 20827889), (1471, 141590), (2942, 70795), (7355, 28318), (14159, 14710)]