209615903

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1\times {\mathrm{983}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 245984256

約数和(自身を除く): 36368353

約数列:

[1, 7, 41, 287, 743, 983, 5201, 6881, 30463, 40303, 213241, 282121, 730369, 5112583, 29945129, 209615903]

約数ペア:

[(1, 209615903), (7, 29945129), (41, 5112583), (287, 730369), (743, 282121), (983, 213241), (5201, 40303), (6881, 30463)]