78799985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 107688960

約数和(自身を除く): 28888975

約数列:

[1, 5, 11, 31, 55, 113, 155, 341, 409, 565, 1243, 1705, 2045, 3503, 4499, 6215, 12679, 17515, 22495, 38533, 46217, 63395, 139469, 192665, 231085, 508387, 697345, 1432727, 2541935, 7163635, 15759997, 78799985]

約数ペア:

[(1, 78799985), (5, 15759997), (11, 7163635), (31, 2541935), (55, 1432727), (113, 697345), (155, 508387), (341, 231085), (409, 192665), (565, 139469), (1243, 63395), (1705, 46217), (2045, 38533), (3503, 22495), (4499, 17515), (6215, 12679)]