1988045258

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{20021}}^1$

素因数の和:20533

約数の個数: 16

約数和(自身を含む): 3012910560

約数和(自身を除く): 1024865302

約数列:

[1, 2, 131, 262, 379, 758, 20021, 40042, 49649, 99298, 2622751, 5245502, 7587959, 15175918, 994022629, 1988045258]

約数ペア:

[(1, 1988045258), (2, 994022629), (131, 15175918), (262, 7587959), (379, 5245502), (758, 2622751), (20021, 99298), (40042, 49649)]