161636995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 215324928

約数和(自身を除く): 53687933

約数列:

[1, 5, 13, 47, 65, 157, 235, 337, 611, 785, 1685, 2041, 3055, 4381, 7379, 10205, 15839, 21905, 36895, 52909, 79195, 95927, 205907, 264545, 479635, 687817, 1029535, 2486723, 3439085, 12433615, 32327399, 161636995]

約数ペア:

[(1, 161636995), (5, 32327399), (13, 12433615), (47, 3439085), (65, 2486723), (157, 1029535), (235, 687817), (337, 479635), (611, 264545), (785, 205907), (1685, 95927), (2041, 79195), (3055, 52909), (4381, 36895), (7379, 21905), (10205, 15839)]