1971005988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{13043}}^1$

素因数の和:13321

約数の個数: 72

約数和(自身を含む): 5371101792

約数和(自身を除く): 3400095804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 257, 294, 514, 588, 771, 1028, 1542, 1799, 3084, 3598, 5397, 7196, 10794, 12593, 13043, 21588, 25186, 26086, 37779, 39129, 50372, 52172, 75558, 78258, 91301, 151116, 156516, 182602, 273903, 365204, 547806, 639107, 1095612, 1278214, 1917321, 2556428, 3352051, 3834642, 6704102, 7669284, 10056153, 13408204, 20112306, 23464357, 40224612, 46928714, 70393071, 93857428, 140786142, 164250499, 281572284, 328500998, 492751497, 657001996, 985502994, 1971005988]

約数ペア:

[(1, 1971005988), (2, 985502994), (3, 657001996), (4, 492751497), (6, 328500998), (7, 281572284), (12, 164250499), (14, 140786142), (21, 93857428), (28, 70393071), (42, 46928714), (49, 40224612), (84, 23464357), (98, 20112306), (147, 13408204), (196, 10056153), (257, 7669284), (294, 6704102), (514, 3834642), (588, 3352051), (771, 2556428), (1028, 1917321), (1542, 1278214), (1799, 1095612), (3084, 639107), (3598, 547806), (5397, 365204), (7196, 273903), (10794, 182602), (12593, 156516), (13043, 151116), (21588, 91301), (25186, 78258), (26086, 75558), (37779, 52172), (39129, 50372)]