67881821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 80150400

約数和(自身を除く): 12268579

約数列:

[1, 7, 43, 109, 301, 763, 2069, 4687, 14483, 32809, 88967, 225521, 622769, 1578647, 9697403, 67881821]

約数ペア:

[(1, 67881821), (7, 9697403), (43, 1578647), (109, 622769), (301, 225521), (763, 88967), (2069, 32809), (4687, 14483)]