268209985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 355691520

約数和(自身を除く): 87481535

約数列:

[1, 5, 19, 31, 61, 95, 155, 305, 589, 1159, 1493, 1891, 2945, 5795, 7465, 9455, 28367, 35929, 46283, 91073, 141835, 179645, 231415, 455365, 879377, 1730387, 2823263, 4396885, 8651935, 14116315, 53641997, 268209985]

約数ペア:

[(1, 268209985), (5, 53641997), (19, 14116315), (31, 8651935), (61, 4396885), (95, 2823263), (155, 1730387), (305, 879377), (589, 455365), (1159, 231415), (1493, 179645), (1891, 141835), (2945, 91073), (5795, 46283), (7465, 35929), (9455, 28367)]