28863470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 55464480

約数和(自身を除く): 26601010

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2081, 2774, 4162, 6935, 10405, 13870, 20810, 39539, 79078, 151913, 197695, 303826, 395390, 759565, 1519130, 2886347, 5772694, 14431735, 28863470]

約数ペア:

[(1, 28863470), (2, 14431735), (5, 5772694), (10, 2886347), (19, 1519130), (38, 759565), (73, 395390), (95, 303826), (146, 197695), (190, 151913), (365, 79078), (730, 39539), (1387, 20810), (2081, 13870), (2774, 10405), (4162, 6935)]