231336259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 298298880

約数和(自身を除く): 66962621

約数列:

[1, 7, 11, 43, 77, 109, 301, 473, 641, 763, 1199, 3311, 4487, 4687, 7051, 8393, 27563, 32809, 49357, 51557, 69869, 192941, 303193, 360899, 489083, 768559, 2122351, 3004367, 5379913, 21030569, 33048037, 231336259]

約数ペア:

[(1, 231336259), (7, 33048037), (11, 21030569), (43, 5379913), (77, 3004367), (109, 2122351), (301, 768559), (473, 489083), (641, 360899), (763, 303193), (1199, 192941), (3311, 69869), (4487, 51557), (4687, 49357), (7051, 32809), (8393, 27563)]