291323228

素因数分解:

$2^2\times 7^2\times {\mathrm{1486343}}^1$

素因数の和:1486361

約数の個数: 18

約数和(自身を含む): 593051256

約数和(自身を除く): 301728028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1486343, 2972686, 5945372, 10404401, 20808802, 41617604, 72830807, 145661614, 291323228]

約数ペア:

[(1, 291323228), (2, 145661614), (4, 72830807), (7, 41617604), (14, 20808802), (28, 10404401), (49, 5945372), (98, 2972686), (196, 1486343)]