16257255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 32486400

約数和(自身を除く): 16229145

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 281, 285, 399, 435, 551, 609, 665, 843, 1015, 1405, 1653, 1967, 1995, 2755, 3045, 3857, 4215, 5339, 5901, 8149, 8265, 9835, 11571, 16017, 19285, 24447, 26695, 29505, 37373, 40745, 57043, 57855, 80085, 112119, 122235, 154831, 171129, 186865, 285215, 464493, 560595, 774155, 855645, 1083817, 2322465, 3251451, 5419085, 16257255]

約数ペア:

[(1, 16257255), (3, 5419085), (5, 3251451), (7, 2322465), (15, 1083817), (19, 855645), (21, 774155), (29, 560595), (35, 464493), (57, 285215), (87, 186865), (95, 171129), (105, 154831), (133, 122235), (145, 112119), (203, 80085), (281, 57855), (285, 57043), (399, 40745), (435, 37373), (551, 29505), (609, 26695), (665, 24447), (843, 19285), (1015, 16017), (1405, 11571), (1653, 9835), (1967, 8265), (1995, 8149), (2755, 5901), (3045, 5339), (3857, 4215)]