1981278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{8467}}^1$

素因数の和:8488

約数の個数: 24

約数和(自身を含む): 4623528

約数和(自身を除く): 2642250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 8467, 16934, 25401, 50802, 76203, 110071, 152406, 220142, 330213, 660426, 990639, 1981278]

約数ペア:

[(1, 1981278), (2, 990639), (3, 660426), (6, 330213), (9, 220142), (13, 152406), (18, 110071), (26, 76203), (39, 50802), (78, 25401), (117, 16934), (234, 8467)]