225421306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{19819}}^1$

素因数の和:19890

約数の個数: 24

約数和(自身を含む): 379592640

約数和(自身を除く): 154171334

約数列:

[1, 2, 11, 22, 47, 94, 121, 242, 517, 1034, 5687, 11374, 19819, 39638, 218009, 436018, 931493, 1862986, 2398099, 4796198, 10246423, 20492846, 112710653, 225421306]

約数ペア:

[(1, 225421306), (2, 112710653), (11, 20492846), (22, 10246423), (47, 4796198), (94, 2398099), (121, 1862986), (242, 931493), (517, 436018), (1034, 218009), (5687, 39638), (11374, 19819)]