205401518

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{240517}}^1$

素因数の和:240587

約数の個数: 16

約数和(自身を含む): 357890784

約数和(自身を除く): 152489266

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 240517, 481034, 1683619, 3367238, 14671537, 29343074, 102700759, 205401518]

約数ペア:

[(1, 205401518), (2, 102700759), (7, 29343074), (14, 14671537), (61, 3367238), (122, 1683619), (427, 481034), (854, 240517)]