28349035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 12938645

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1279, 1705, 2015, 4433, 6395, 14069, 16627, 22165, 39649, 70345, 83135, 182897, 198245, 436139, 515437, 914485, 2180695, 2577185, 5669807, 28349035]

約数ペア:

[(1, 28349035), (5, 5669807), (11, 2577185), (13, 2180695), (31, 914485), (55, 515437), (65, 436139), (143, 198245), (155, 182897), (341, 83135), (403, 70345), (715, 39649), (1279, 22165), (1705, 16627), (2015, 14069), (4433, 6395)]