208171404

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 634569600

約数和(自身を除く): 426398196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 139, 147, 189, 196, 252, 278, 283, 294, 378, 417, 441, 556, 566, 588, 756, 834, 849, 882, 973, 1132, 1251, 1323, 1668, 1698, 1764, 1946, 1981, 2502, 2547, 2646, 2919, 3396, 3753, 3892, 3962, 5004, 5094, 5292, 5838, 5943, 6811, 7506, 7641, 7924, 8757, 10188, 11676, 11886, 13622, 13867, 15012, 15282, 17514, 17829, 20433, 23772, 26271, 27244, 27734, 30564, 35028, 35658, 39337, 40866, 41601, 52542, 53487, 55468, 61299, 71316, 78674, 81732, 83202, 105084, 106974, 118011, 122598, 124803, 157348, 166404, 183897, 213948, 236022, 245196, 249606, 275359, 354033, 367794, 374409, 472044, 499212, 550718, 708066, 735588, 748818, 826077, 1062099, 1101436, 1416132, 1497636, 1652154, 1927513, 2124198, 2478231, 3304308, 3855026, 4248396, 4956462, 5782539, 7434693, 7710052, 9912924, 11565078, 14869386, 17347617, 23130156, 29738772, 34695234, 52042851, 69390468, 104085702, 208171404]

約数ペア:

[(1, 208171404), (2, 104085702), (3, 69390468), (4, 52042851), (6, 34695234), (7, 29738772), (9, 23130156), (12, 17347617), (14, 14869386), (18, 11565078), (21, 9912924), (27, 7710052), (28, 7434693), (36, 5782539), (42, 4956462), (49, 4248396), (54, 3855026), (63, 3304308), (84, 2478231), (98, 2124198), (108, 1927513), (126, 1652154), (139, 1497636), (147, 1416132), (189, 1101436), (196, 1062099), (252, 826077), (278, 748818), (283, 735588), (294, 708066), (378, 550718), (417, 499212), (441, 472044), (556, 374409), (566, 367794), (588, 354033), (756, 275359), (834, 249606), (849, 245196), (882, 236022), (973, 213948), (1132, 183897), (1251, 166404), (1323, 157348), (1668, 124803), (1698, 122598), (1764, 118011), (1946, 106974), (1981, 105084), (2502, 83202), (2547, 81732), (2646, 78674), (2919, 71316), (3396, 61299), (3753, 55468), (3892, 53487), (3962, 52542), (5004, 41601), (5094, 40866), (5292, 39337), (5838, 35658), (5943, 35028), (6811, 30564), (7506, 27734), (7641, 27244), (7924, 26271), (8757, 23772), (10188, 20433), (11676, 17829), (11886, 17514), (13622, 15282), (13867, 15012)]