1640441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1935360

約数和(自身を除く): 294919

約数列:

[1, 11, 19, 47, 167, 209, 517, 893, 1837, 3173, 7849, 9823, 34903, 86339, 149131, 1640441]

約数ペア:

[(1, 1640441), (11, 149131), (19, 86339), (47, 34903), (167, 9823), (209, 7849), (517, 3173), (893, 1837)]