260021035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{11903}}^1$

素因数の和:12182

約数の個数: 16

約数和(自身を含む): 331693056

約数和(自身を除く): 71672021

約数列:

[1, 5, 17, 85, 257, 1285, 4369, 11903, 21845, 59515, 202351, 1011755, 3059071, 15295355, 52004207, 260021035]

約数ペア:

[(1, 260021035), (5, 52004207), (17, 15295355), (85, 3059071), (257, 1011755), (1285, 202351), (4369, 59515), (11903, 21845)]