1978778872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{12097}}^1$

素因数の和:12260

約数の個数: 64

約数和(自身を含む): 4459806720

約数和(自身を除く): 2481027848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 127, 161, 184, 254, 322, 508, 644, 889, 1016, 1288, 1778, 2921, 3556, 5842, 7112, 11684, 12097, 20447, 23368, 24194, 40894, 48388, 81788, 84679, 96776, 163576, 169358, 278231, 338716, 556462, 677432, 1112924, 1536319, 1947617, 2225848, 3072638, 3895234, 6145276, 7790468, 10754233, 12290552, 15580936, 21508466, 35335337, 43016932, 70670674, 86033864, 141341348, 247347359, 282682696, 494694718, 989389436, 1978778872]

約数ペア:

[(1, 1978778872), (2, 989389436), (4, 494694718), (7, 282682696), (8, 247347359), (14, 141341348), (23, 86033864), (28, 70670674), (46, 43016932), (56, 35335337), (92, 21508466), (127, 15580936), (161, 12290552), (184, 10754233), (254, 7790468), (322, 6145276), (508, 3895234), (644, 3072638), (889, 2225848), (1016, 1947617), (1288, 1536319), (1778, 1112924), (2921, 677432), (3556, 556462), (5842, 338716), (7112, 278231), (11684, 169358), (12097, 163576), (20447, 96776), (23368, 84679), (24194, 81788), (40894, 48388)]