2780197

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 3428352

約数和(自身を除く): 648155

約数列:

[1, 7, 17, 61, 119, 383, 427, 1037, 2681, 6511, 7259, 23363, 45577, 163541, 397171, 2780197]

約数ペア:

[(1, 2780197), (7, 397171), (17, 163541), (61, 45577), (119, 23363), (383, 7259), (427, 6511), (1037, 2681)]