490608573

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 860160000

約数和(自身を除く): 369551427

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 87, 91, 93, 203, 217, 273, 377, 403, 609, 651, 899, 1131, 1209, 1999, 2639, 2697, 2821, 5997, 6293, 7917, 8463, 11687, 13993, 18879, 25987, 35061, 41979, 57971, 61969, 77961, 81809, 173913, 181909, 185907, 245427, 405797, 433783, 545727, 753623, 805597, 1217391, 1301349, 1797101, 2260869, 2416791, 5275361, 5391303, 5639179, 12579707, 15826083, 16917537, 23362313, 37739121, 70086939, 163536191, 490608573]

約数ペア:

[(1, 490608573), (3, 163536191), (7, 70086939), (13, 37739121), (21, 23362313), (29, 16917537), (31, 15826083), (39, 12579707), (87, 5639179), (91, 5391303), (93, 5275361), (203, 2416791), (217, 2260869), (273, 1797101), (377, 1301349), (403, 1217391), (609, 805597), (651, 753623), (899, 545727), (1131, 433783), (1209, 405797), (1999, 245427), (2639, 185907), (2697, 181909), (2821, 173913), (5997, 81809), (6293, 77961), (7917, 61969), (8463, 57971), (11687, 41979), (13993, 35061), (18879, 25987)]