2878254

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 40

約数和(自身を含む): 6548520

約数和(自身を除く): 3670266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 163, 218, 326, 327, 489, 654, 978, 981, 1467, 1962, 2934, 2943, 4401, 5886, 8802, 8829, 13203, 17658, 17767, 26406, 35534, 53301, 106602, 159903, 319806, 479709, 959418, 1439127, 2878254]

約数ペア:

[(1, 2878254), (2, 1439127), (3, 959418), (6, 479709), (9, 319806), (18, 159903), (27, 106602), (54, 53301), (81, 35534), (109, 26406), (162, 17767), (163, 17658), (218, 13203), (326, 8829), (327, 8802), (489, 5886), (654, 4401), (978, 2943), (981, 2934), (1467, 1962)]