39881149

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 52826688

約数和(自身を除く): 12945539

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 3217, 12397, 22519, 35387, 73991, 157633, 247709, 517937, 813901, 1733963, 3625559, 5697307, 39881149]

約数ペア:

[(1, 39881149), (7, 5697307), (11, 3625559), (23, 1733963), (49, 813901), (77, 517937), (161, 247709), (253, 157633), (539, 73991), (1127, 35387), (1771, 22519), (3217, 12397)]