203998418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{21379}}^1$

素因数の和:21761

約数の個数: 16

約数和(自身を含む): 330449280

約数和(自身を除く): 126450862

約数列:

[1, 2, 13, 26, 367, 734, 4771, 9542, 21379, 42758, 277927, 555854, 7846093, 15692186, 101999209, 203998418]

約数ペア:

[(1, 203998418), (2, 101999209), (13, 15692186), (26, 7846093), (367, 555854), (734, 277927), (4771, 42758), (9542, 21379)]