26978238

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 42141762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 378, 447, 479, 894, 958, 1043, 1341, 1437, 2086, 2682, 2874, 3129, 3353, 4023, 4311, 6258, 6706, 8046, 8622, 9387, 10059, 12933, 18774, 20118, 25866, 28161, 30177, 56322, 60354, 71371, 90531, 142742, 181062, 214113, 428226, 499597, 642339, 999194, 1284678, 1498791, 1927017, 2997582, 3854034, 4496373, 8992746, 13489119, 26978238]

約数ペア:

[(1, 26978238), (2, 13489119), (3, 8992746), (6, 4496373), (7, 3854034), (9, 2997582), (14, 1927017), (18, 1498791), (21, 1284678), (27, 999194), (42, 642339), (54, 499597), (63, 428226), (126, 214113), (149, 181062), (189, 142742), (298, 90531), (378, 71371), (447, 60354), (479, 56322), (894, 30177), (958, 28161), (1043, 25866), (1341, 20118), (1437, 18774), (2086, 12933), (2682, 10059), (2874, 9387), (3129, 8622), (3353, 8046), (4023, 6706), (4311, 6258)]