2178978822

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{771047}}^1$

素因数の和:771212

約数の個数: 24

約数和(自身を含む): 4751197776

約数和(自身を除く): 2572218954

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 771047, 1542094, 2313141, 4626282, 6939423, 13878846, 121054379, 242108758, 363163137, 726326274, 1089489411, 2178978822]

約数ペア:

[(1, 2178978822), (2, 1089489411), (3, 726326274), (6, 363163137), (9, 242108758), (18, 121054379), (157, 13878846), (314, 6939423), (471, 4626282), (942, 2313141), (1413, 1542094), (2826, 771047)]