208753468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 475969536

約数和(自身を除く): 267216068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 61, 77, 82, 122, 154, 164, 244, 271, 287, 308, 427, 451, 542, 574, 671, 854, 902, 1084, 1148, 1342, 1708, 1804, 1897, 2501, 2684, 2981, 3157, 3794, 4697, 5002, 5962, 6314, 7588, 9394, 10004, 11111, 11924, 12628, 16531, 17507, 18788, 20867, 22222, 27511, 33062, 35014, 41734, 44444, 55022, 66124, 70028, 77777, 83468, 110044, 115717, 122221, 155554, 181841, 192577, 231434, 244442, 311108, 363682, 385154, 462868, 488884, 677771, 727364, 770308, 855547, 1272887, 1355542, 1711094, 2545774, 2711084, 3422188, 4744397, 5091548, 7455481, 9488794, 14910962, 18977588, 29821924, 52188367, 104376734, 208753468]

約数ペア:

[(1, 208753468), (2, 104376734), (4, 52188367), (7, 29821924), (11, 18977588), (14, 14910962), (22, 9488794), (28, 7455481), (41, 5091548), (44, 4744397), (61, 3422188), (77, 2711084), (82, 2545774), (122, 1711094), (154, 1355542), (164, 1272887), (244, 855547), (271, 770308), (287, 727364), (308, 677771), (427, 488884), (451, 462868), (542, 385154), (574, 363682), (671, 311108), (854, 244442), (902, 231434), (1084, 192577), (1148, 181841), (1342, 155554), (1708, 122221), (1804, 115717), (1897, 110044), (2501, 83468), (2684, 77777), (2981, 70028), (3157, 66124), (3794, 55022), (4697, 44444), (5002, 41734), (5962, 35014), (6314, 33062), (7588, 27511), (9394, 22222), (10004, 20867), (11111, 18788), (11924, 17507), (12628, 16531)]