388612679

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4657}}^1$

素因数の和:4815

約数の個数: 24

約数和(自身を含む): 490655088

約数和(自身を除く): 102042409

約数列:

[1, 7, 13, 49, 91, 131, 637, 917, 1703, 4657, 6419, 11921, 32599, 60541, 83447, 228193, 423787, 610067, 2966509, 4270469, 7930871, 29893283, 55516097, 388612679]

約数ペア:

[(1, 388612679), (7, 55516097), (13, 29893283), (49, 7930871), (91, 4270469), (131, 2966509), (637, 610067), (917, 423787), (1703, 228193), (4657, 83447), (6419, 60541), (11921, 32599)]