28991718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5351}}^1$

素因数の和:5409

約数の個数: 48

約数和(自身を含む): 73472256

約数和(自身を除く): 44480538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5351, 5418, 10702, 16053, 32106, 37457, 48159, 74914, 96318, 112371, 224742, 230093, 337113, 460186, 674226, 690279, 1380558, 1610651, 2070837, 3221302, 4141674, 4831953, 9663906, 14495859, 28991718]

約数ペア:

[(1, 28991718), (2, 14495859), (3, 9663906), (6, 4831953), (7, 4141674), (9, 3221302), (14, 2070837), (18, 1610651), (21, 1380558), (42, 690279), (43, 674226), (63, 460186), (86, 337113), (126, 230093), (129, 224742), (258, 112371), (301, 96318), (387, 74914), (602, 48159), (774, 37457), (903, 32106), (1806, 16053), (2709, 10702), (5351, 5418)]