259505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 342144

約数和(自身を除く): 82639

約数列:

[1, 5, 17, 43, 71, 85, 215, 355, 731, 1207, 3053, 3655, 6035, 15265, 51901, 259505]

約数ペア:

[(1, 259505), (5, 51901), (17, 15265), (43, 6035), (71, 3655), (85, 3053), (215, 1207), (355, 731)]