261428418

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{9941}}^1$

素因数の和:10439

約数の個数: 32

約数和(自身を含む): 582203520

約数和(自身を除く): 320775102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 974, 1461, 2922, 4383, 8766, 9941, 13149, 19882, 26298, 29823, 59646, 89469, 178938, 268407, 536814, 4841267, 9682534, 14523801, 29047602, 43571403, 87142806, 130714209, 261428418]

約数ペア:

[(1, 261428418), (2, 130714209), (3, 87142806), (6, 43571403), (9, 29047602), (18, 14523801), (27, 9682534), (54, 4841267), (487, 536814), (974, 268407), (1461, 178938), (2922, 89469), (4383, 59646), (8766, 29823), (9941, 26298), (13149, 19882)]