208029787

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1877}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 242307072

約数和(自身を除く): 34277285

約数列:

[1, 7, 71, 223, 497, 1561, 1877, 13139, 15833, 110831, 133267, 418571, 932869, 2929997, 29718541, 208029787]

約数ペア:

[(1, 208029787), (7, 29718541), (71, 2929997), (223, 932869), (497, 418571), (1561, 133267), (1877, 110831), (13139, 15833)]