28516930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219361}}^1$

素因数の和:219381

約数の個数: 16

約数和(自身を含む): 55279224

約数和(自身を除く): 26762294

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219361, 438722, 1096805, 2193610, 2851693, 5703386, 14258465, 28516930]

約数ペア:

[(1, 28516930), (2, 14258465), (5, 5703386), (10, 2851693), (13, 2193610), (26, 1096805), (65, 438722), (130, 219361)]