200990111

素因数分解:

$7^4\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:988

約数の個数: 20

約数和(自身を含む): 237166272

約数和(自身を除く): 36176161

約数列:

[1, 7, 49, 97, 343, 679, 863, 2401, 4753, 6041, 33271, 42287, 83711, 232897, 296009, 585977, 2072063, 4101839, 28712873, 200990111]

約数ペア:

[(1, 200990111), (7, 28712873), (49, 4101839), (97, 2072063), (343, 585977), (679, 296009), (863, 232897), (2401, 83711), (4753, 42287), (6041, 33271)]