82340188

素因数分解:

$2^2\times 7^2\times {\mathrm{420103}}^1$

素因数の和:420121

約数の個数: 18

約数和(自身を含む): 167621496

約数和(自身を除く): 85281308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 420103, 840206, 1680412, 2940721, 5881442, 11762884, 20585047, 41170094, 82340188]

約数ペア:

[(1, 82340188), (2, 41170094), (4, 20585047), (7, 11762884), (14, 5881442), (28, 2940721), (49, 1680412), (98, 840206), (196, 420103)]