12015619

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 16220160

約数和(自身を除く): 4204541

約数列:

[1, 7, 11, 19, 43, 77, 133, 191, 209, 301, 473, 817, 1337, 1463, 2101, 3311, 3629, 5719, 8213, 8987, 14707, 25403, 39919, 57491, 62909, 90343, 156047, 279433, 632401, 1092329, 1716517, 12015619]

約数ペア:

[(1, 12015619), (7, 1716517), (11, 1092329), (19, 632401), (43, 279433), (77, 156047), (133, 90343), (191, 62909), (209, 57491), (301, 39919), (473, 25403), (817, 14707), (1337, 8987), (1463, 8213), (2101, 5719), (3311, 3629)]