1642417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 2021760

約数和(自身を除く): 379343

約数列:

[1, 7, 19, 53, 133, 233, 371, 1007, 1631, 4427, 7049, 12349, 30989, 86443, 234631, 1642417]

約数ペア:

[(1, 1642417), (7, 234631), (19, 86443), (53, 30989), (133, 12349), (233, 7049), (371, 4427), (1007, 1631)]