65008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:264

約数の個数: 20

約数和(自身を含む): 133920

約数和(自身を除く): 68912

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 1912, 3824, 4063, 8126, 16252, 32504, 65008]

約数ペア:

[(1, 65008), (2, 32504), (4, 16252), (8, 8126), (16, 4063), (17, 3824), (34, 1912), (68, 956), (136, 478), (239, 272)]