291209516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{32371}}^1$

素因数の和:32561

約数の個数: 24

約数和(自身を含む): 552007344

約数和(自身を除く): 260797828

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 32371, 64742, 129484, 420823, 841646, 1683292, 5600183, 11200366, 22400732, 72802379, 145604758, 291209516]

約数ペア:

[(1, 291209516), (2, 145604758), (4, 72802379), (13, 22400732), (26, 11200366), (52, 5600183), (173, 1683292), (346, 841646), (692, 420823), (2249, 129484), (4498, 64742), (8996, 32371)]