25189905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 43868160

約数和(自身を除く): 18678255

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1279, 1313, 1515, 3837, 3939, 6395, 6565, 16627, 19185, 19695, 49881, 83135, 129179, 249405, 387537, 645895, 1679327, 1937685, 5037981, 8396635, 25189905]

約数ペア:

[(1, 25189905), (3, 8396635), (5, 5037981), (13, 1937685), (15, 1679327), (39, 645895), (65, 387537), (101, 249405), (195, 129179), (303, 83135), (505, 49881), (1279, 19695), (1313, 19185), (1515, 16627), (3837, 6565), (3939, 6395)]