290884321

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1877}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 362919744

約数和(自身を除く): 72035423

約数列:

[1, 7, 13, 91, 131, 169, 917, 1183, 1703, 1877, 11921, 13139, 22139, 24401, 154973, 170807, 245887, 317213, 1721209, 2220491, 3196531, 22375717, 41554903, 290884321]

約数ペア:

[(1, 290884321), (7, 41554903), (13, 22375717), (91, 3196531), (131, 2220491), (169, 1721209), (917, 317213), (1183, 245887), (1703, 170807), (1877, 154973), (11921, 24401), (13139, 22139)]