257430558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 690508800

約数和(自身を除く): 433078242

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 73, 77, 102, 119, 146, 154, 187, 219, 231, 238, 357, 374, 438, 449, 462, 511, 561, 714, 803, 898, 1022, 1122, 1241, 1309, 1347, 1533, 1606, 2409, 2482, 2618, 2694, 3066, 3143, 3723, 3927, 4818, 4939, 5621, 6286, 7446, 7633, 7854, 8687, 9429, 9878, 11242, 13651, 14817, 15266, 16863, 17374, 18858, 22899, 26061, 27302, 29634, 32777, 33726, 34573, 40953, 45798, 52122, 53431, 65554, 69146, 81906, 83963, 95557, 98331, 103719, 106862, 160293, 167926, 191114, 196662, 207438, 229439, 251889, 286671, 320586, 360547, 458878, 503778, 557209, 573342, 587741, 688317, 721094, 1081641, 1114418, 1175482, 1376634, 1671627, 1763223, 2163282, 2523829, 3343254, 3526446, 3900463, 5047658, 6129299, 7571487, 7800926, 11701389, 12258598, 15142974, 18387897, 23402778, 36775794, 42905093, 85810186, 128715279, 257430558]

約数ペア:

[(1, 257430558), (2, 128715279), (3, 85810186), (6, 42905093), (7, 36775794), (11, 23402778), (14, 18387897), (17, 15142974), (21, 12258598), (22, 11701389), (33, 7800926), (34, 7571487), (42, 6129299), (51, 5047658), (66, 3900463), (73, 3526446), (77, 3343254), (102, 2523829), (119, 2163282), (146, 1763223), (154, 1671627), (187, 1376634), (219, 1175482), (231, 1114418), (238, 1081641), (357, 721094), (374, 688317), (438, 587741), (449, 573342), (462, 557209), (511, 503778), (561, 458878), (714, 360547), (803, 320586), (898, 286671), (1022, 251889), (1122, 229439), (1241, 207438), (1309, 196662), (1347, 191114), (1533, 167926), (1606, 160293), (2409, 106862), (2482, 103719), (2618, 98331), (2694, 95557), (3066, 83963), (3143, 81906), (3723, 69146), (3927, 65554), (4818, 53431), (4939, 52122), (5621, 45798), (6286, 40953), (7446, 34573), (7633, 33726), (7854, 32777), (8687, 29634), (9429, 27302), (9878, 26061), (11242, 22899), (13651, 18858), (14817, 17374), (15266, 16863)]