1895131

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 2304000

約数和(自身を除く): 408869

約数列:

[1, 7, 23, 79, 149, 161, 553, 1043, 1817, 3427, 11771, 12719, 23989, 82397, 270733, 1895131]

約数ペア:

[(1, 1895131), (7, 270733), (23, 82397), (79, 23989), (149, 12719), (161, 11771), (553, 3427), (1043, 1817)]