890228742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{265423}}^1$

素因数の和:265484

約数の個数: 32

約数和(自身を含む): 1962014208

約数和(自身を除く): 1071785466

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 265423, 530846, 796269, 1592538, 3450499, 6900998, 10351497, 11413189, 20702994, 22826378, 34239567, 68479134, 148371457, 296742914, 445114371, 890228742]

約数ペア:

[(1, 890228742), (2, 445114371), (3, 296742914), (6, 148371457), (13, 68479134), (26, 34239567), (39, 22826378), (43, 20702994), (78, 11413189), (86, 10351497), (129, 6900998), (258, 3450499), (559, 1592538), (1118, 796269), (1677, 530846), (3354, 265423)]