788974791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 1260748800

約数和(自身を除く): 471774009

約数列:

[1, 3, 11, 19, 33, 37, 57, 71, 111, 209, 213, 407, 479, 627, 703, 781, 1221, 1349, 1437, 2109, 2343, 2627, 4047, 5269, 7733, 7881, 9101, 14839, 15807, 17723, 23199, 27303, 28897, 34009, 44517, 49913, 53169, 86691, 100111, 102027, 149739, 194953, 300333, 336737, 374099, 549043, 584859, 646171, 1010211, 1122297, 1258333, 1647129, 1938513, 3704107, 3774999, 7107881, 11112321, 13841663, 21323643, 23908327, 41524989, 71724981, 262991597, 788974791]

約数ペア:

[(1, 788974791), (3, 262991597), (11, 71724981), (19, 41524989), (33, 23908327), (37, 21323643), (57, 13841663), (71, 11112321), (111, 7107881), (209, 3774999), (213, 3704107), (407, 1938513), (479, 1647129), (627, 1258333), (703, 1122297), (781, 1010211), (1221, 646171), (1349, 584859), (1437, 549043), (2109, 374099), (2343, 336737), (2627, 300333), (4047, 194953), (5269, 149739), (7733, 102027), (7881, 100111), (9101, 86691), (14839, 53169), (15807, 49913), (17723, 44517), (23199, 34009), (27303, 28897)]