201919396

素因数分解:

$2^2\times 7^2\times {\mathrm{1030201}}^1$

素因数の和:1030219

約数の個数: 18

約数和(自身を含む): 411050598

約数和(自身を除く): 209131202

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1030201, 2060402, 4120804, 7211407, 14422814, 28845628, 50479849, 100959698, 201919396]

約数ペア:

[(1, 201919396), (2, 100959698), (4, 50479849), (7, 28845628), (14, 14422814), (28, 7211407), (49, 4120804), (98, 2060402), (196, 1030201)]