12880007

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 15163200

約数和(自身を除く): 2283193

約数列:

[1, 7, 53, 149, 233, 371, 1043, 1631, 7897, 12349, 34717, 55279, 86443, 243019, 1840001, 12880007]

約数ペア:

[(1, 12880007), (7, 1840001), (53, 243019), (149, 86443), (233, 55279), (371, 34717), (1043, 12349), (1631, 7897)]