31091998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 55996416

約数和(自身を除く): 24904418

約数列:

[1, 2, 7, 14, 23, 46, 161, 223, 322, 433, 446, 866, 1561, 3031, 3122, 5129, 6062, 9959, 10258, 19918, 35903, 69713, 71806, 96559, 139426, 193118, 675913, 1351826, 2220857, 4441714, 15545999, 31091998]

約数ペア:

[(1, 31091998), (2, 15545999), (7, 4441714), (14, 2220857), (23, 1351826), (46, 675913), (161, 193118), (223, 139426), (322, 96559), (433, 71806), (446, 69713), (866, 35903), (1561, 19918), (3031, 10258), (3122, 9959), (5129, 6062)]