20131241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 23016000

約数和(自身を除く): 2884759

約数列:

[1, 13, 19, 149, 247, 547, 1937, 2831, 7111, 10393, 36803, 81503, 135109, 1059539, 1548557, 20131241]

約数ペア:

[(1, 20131241), (13, 1548557), (19, 1059539), (149, 135109), (247, 81503), (547, 36803), (1937, 10393), (2831, 7111)]