208231926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1373}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 500179968

約数和(自身を除く): 291948042

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 157, 161, 314, 322, 471, 483, 942, 966, 1099, 1373, 2198, 2746, 3297, 3611, 4119, 6594, 7222, 8238, 9611, 10833, 19222, 21666, 25277, 28833, 31579, 50554, 57666, 63158, 75831, 94737, 151662, 189474, 215561, 221053, 431122, 442106, 646683, 663159, 1293366, 1326318, 1508927, 3017854, 4526781, 4957903, 9053562, 9915806, 14873709, 29747418, 34705321, 69410642, 104115963, 208231926]

約数ペア:

[(1, 208231926), (2, 104115963), (3, 69410642), (6, 34705321), (7, 29747418), (14, 14873709), (21, 9915806), (23, 9053562), (42, 4957903), (46, 4526781), (69, 3017854), (138, 1508927), (157, 1326318), (161, 1293366), (314, 663159), (322, 646683), (471, 442106), (483, 431122), (942, 221053), (966, 215561), (1099, 189474), (1373, 151662), (2198, 94737), (2746, 75831), (3297, 63158), (3611, 57666), (4119, 50554), (6594, 31579), (7222, 28833), (8238, 25277), (9611, 21666), (10833, 19222)]