56661969

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 102090240

約数和(自身を除く): 45428271

約数列:

[1, 3, 7, 13, 17, 21, 29, 39, 51, 87, 91, 119, 203, 221, 273, 357, 377, 421, 493, 609, 663, 1131, 1263, 1479, 1547, 2639, 2947, 3451, 4641, 5473, 6409, 7157, 7917, 8841, 10353, 12209, 16419, 19227, 21471, 36627, 38311, 44863, 50099, 85463, 93041, 114933, 134589, 150297, 158717, 207553, 256389, 279123, 476151, 622659, 651287, 1111019, 1452871, 1953861, 2698189, 3333057, 4358613, 8094567, 18887323, 56661969]

約数ペア:

[(1, 56661969), (3, 18887323), (7, 8094567), (13, 4358613), (17, 3333057), (21, 2698189), (29, 1953861), (39, 1452871), (51, 1111019), (87, 651287), (91, 622659), (119, 476151), (203, 279123), (221, 256389), (273, 207553), (357, 158717), (377, 150297), (421, 134589), (493, 114933), (609, 93041), (663, 85463), (1131, 50099), (1263, 44863), (1479, 38311), (1547, 36627), (2639, 21471), (2947, 19227), (3451, 16419), (4641, 12209), (5473, 10353), (6409, 8841), (7157, 7917)]