71265995

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 89733840

約数和(自身を除く): 18467845

約数列:

[1, 5, 41, 61, 139, 205, 305, 695, 1681, 2501, 5699, 8405, 8479, 12505, 28495, 42395, 102541, 233659, 347639, 512705, 1168295, 1738195, 14253199, 71265995]

約数ペア:

[(1, 71265995), (5, 14253199), (41, 1738195), (61, 1168295), (139, 512705), (205, 347639), (305, 233659), (695, 102541), (1681, 42395), (2501, 28495), (5699, 12505), (8405, 8479)]