28625685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 26393835

約数列:

[1, 3, 5, 11, 15, 19, 23, 33, 55, 57, 69, 95, 115, 165, 209, 253, 285, 345, 397, 437, 627, 759, 1045, 1191, 1265, 1311, 1985, 2185, 3135, 3795, 4367, 4807, 5955, 6555, 7543, 9131, 13101, 14421, 21835, 22629, 24035, 27393, 37715, 45655, 65505, 72105, 82973, 100441, 113145, 136965, 173489, 248919, 301323, 414865, 502205, 520467, 867445, 1244595, 1506615, 1908379, 2602335, 5725137, 9541895, 28625685]

約数ペア:

[(1, 28625685), (3, 9541895), (5, 5725137), (11, 2602335), (15, 1908379), (19, 1506615), (23, 1244595), (33, 867445), (55, 520467), (57, 502205), (69, 414865), (95, 301323), (115, 248919), (165, 173489), (209, 136965), (253, 113145), (285, 100441), (345, 82973), (397, 72105), (437, 65505), (627, 45655), (759, 37715), (1045, 27393), (1191, 24035), (1265, 22629), (1311, 21835), (1985, 14421), (2185, 13101), (3135, 9131), (3795, 7543), (4367, 6555), (4807, 5955)]