28689170

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 53336448

約数和(自身を除く): 24647278

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 487, 685, 974, 1370, 2435, 4870, 5891, 11782, 20941, 29455, 41882, 58910, 66719, 104705, 133438, 209410, 333595, 667190, 2868917, 5737834, 14344585, 28689170]

約数ペア:

[(1, 28689170), (2, 14344585), (5, 5737834), (10, 2868917), (43, 667190), (86, 333595), (137, 209410), (215, 133438), (274, 104705), (430, 66719), (487, 58910), (685, 41882), (974, 29455), (1370, 20941), (2435, 11782), (4870, 5891)]