251199421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{18313}}^1$

素因数の和:18396

約数の個数: 16

約数和(自身を含む): 290093760

約数和(自身を除く): 38894339

約数列:

[1, 11, 29, 43, 319, 473, 1247, 13717, 18313, 201443, 531077, 787459, 5841847, 8662049, 22836311, 251199421]

約数ペア:

[(1, 251199421), (11, 22836311), (29, 8662049), (43, 5841847), (319, 787459), (473, 531077), (1247, 201443), (13717, 18313)]