81400548

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 197105216

約数和(自身を除く): 115704668

約数列:

[1, 2, 3, 4, 6, 12, 43, 73, 86, 129, 146, 172, 219, 258, 292, 438, 516, 876, 2161, 3139, 4322, 6278, 6483, 8644, 9417, 12556, 12966, 18834, 25932, 37668, 92923, 157753, 185846, 278769, 315506, 371692, 473259, 557538, 631012, 946518, 1115076, 1893036, 6783379, 13566758, 20350137, 27133516, 40700274, 81400548]

約数ペア:

[(1, 81400548), (2, 40700274), (3, 27133516), (4, 20350137), (6, 13566758), (12, 6783379), (43, 1893036), (73, 1115076), (86, 946518), (129, 631012), (146, 557538), (172, 473259), (219, 371692), (258, 315506), (292, 278769), (438, 185846), (516, 157753), (876, 92923), (2161, 37668), (3139, 25932), (4322, 18834), (6278, 12966), (6483, 12556), (8644, 9417)]