51988085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 68812800

約数和(自身を除く): 16824715

約数列:

[1, 5, 19, 31, 95, 127, 139, 155, 589, 635, 695, 2413, 2641, 2945, 3937, 4309, 12065, 13205, 17653, 19685, 21545, 74803, 81871, 88265, 335407, 374015, 409355, 547243, 1677035, 2736215, 10397617, 51988085]

約数ペア:

[(1, 51988085), (5, 10397617), (19, 2736215), (31, 1677035), (95, 547243), (127, 409355), (139, 374015), (155, 335407), (589, 88265), (635, 81871), (695, 74803), (2413, 21545), (2641, 19685), (2945, 17653), (3937, 13205), (4309, 12065)]