661621919

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{9133}}^1$

素因数の和:9350

約数の個数: 16

約数和(自身を含む): 771640320

約数和(自身を除く): 110018401

約数列:

[1, 7, 79, 131, 553, 917, 9133, 10349, 63931, 72443, 721507, 1196423, 5050549, 8374961, 94517417, 661621919]

約数ペア:

[(1, 661621919), (7, 94517417), (79, 8374961), (131, 5050549), (553, 1196423), (917, 721507), (9133, 72443), (10349, 63931)]