209726258

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{107773}}^1$

素因数の和:107921

約数の個数: 16

約数和(自身を含む): 362120640

約数和(自身を除く): 152394382

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 107773, 215546, 754411, 1508822, 14980447, 29960894, 104863129, 209726258]

約数ペア:

[(1, 209726258), (2, 104863129), (7, 29960894), (14, 14980447), (139, 1508822), (278, 754411), (973, 215546), (1946, 107773)]