209955774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{4998947}}^1$

素因数の和:4998959

約数の個数: 16

約数和(自身を含む): 479899008

約数和(自身を除く): 269943234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 4998947, 9997894, 14996841, 29993682, 34992629, 69985258, 104977887, 209955774]

約数ペア:

[(1, 209955774), (2, 104977887), (3, 69985258), (6, 34992629), (7, 29993682), (14, 14996841), (21, 9997894), (42, 4998947)]