212494247

素因数分解:

$7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 245532672

約数和(自身を除く): 33038425

約数列:

[1, 7, 197, 223, 691, 1379, 1561, 4837, 43931, 136127, 154093, 307517, 952889, 1078651, 30356321, 212494247]

約数ペア:

[(1, 212494247), (7, 30356321), (197, 1078651), (223, 952889), (691, 307517), (1379, 154093), (1561, 136127), (4837, 43931)]