818986

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 24

約数和(自身を含む): 1463076

約数和(自身を除く): 644090

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 137, 274, 427, 854, 959, 1918, 2989, 5978, 6713, 8357, 13426, 16714, 58499, 116998, 409493, 818986]

約数ペア:

[(1, 818986), (2, 409493), (7, 116998), (14, 58499), (49, 16714), (61, 13426), (98, 8357), (122, 6713), (137, 5978), (274, 2989), (427, 1918), (854, 959)]