2011772497

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 2551931904

約数和(自身を除く): 540159407

約数列:

[1, 7, 19, 31, 61, 133, 217, 361, 421, 427, 589, 1159, 1891, 2527, 2947, 4123, 7999, 8113, 11191, 13051, 13237, 22021, 25681, 35929, 55993, 78337, 91357, 151981, 154147, 179767, 247969, 251503, 487939, 682651, 796111, 1063867, 1735783, 3415573, 4711411, 4778557, 5572777, 9270841, 15126109, 32979877, 64895887, 105882763, 287396071, 2011772497]

約数ペア:

[(1, 2011772497), (7, 287396071), (19, 105882763), (31, 64895887), (61, 32979877), (133, 15126109), (217, 9270841), (361, 5572777), (421, 4778557), (427, 4711411), (589, 3415573), (1159, 1735783), (1891, 1063867), (2527, 796111), (2947, 682651), (4123, 487939), (7999, 251503), (8113, 247969), (11191, 179767), (13051, 154147), (13237, 151981), (22021, 91357), (25681, 78337), (35929, 55993)]