42509168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{204371}}^1$

素因数の和:204392

約数の個数: 20

約数和(自身を含む): 88697448

約数和(自身を除く): 46188280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 204371, 408742, 817484, 1634968, 2656823, 3269936, 5313646, 10627292, 21254584, 42509168]

約数ペア:

[(1, 42509168), (2, 21254584), (4, 10627292), (8, 5313646), (13, 3269936), (16, 2656823), (26, 1634968), (52, 817484), (104, 408742), (208, 204371)]