259475008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{311869}}^1$

素因数の和:311894

約数の個数: 28

約数和(自身を含む): 554504860

約数和(自身を除く): 295029852

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 311869, 623738, 1247476, 2494952, 4054297, 4989904, 8108594, 9979808, 16217188, 19959616, 32434376, 64868752, 129737504, 259475008]

約数ペア:

[(1, 259475008), (2, 129737504), (4, 64868752), (8, 32434376), (13, 19959616), (16, 16217188), (26, 9979808), (32, 8108594), (52, 4989904), (64, 4054297), (104, 2494952), (208, 1247476), (416, 623738), (832, 311869)]