505350018

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 1162377216

約数和(自身を除く): 657027198

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 97, 106, 127, 129, 159, 194, 254, 258, 291, 318, 381, 387, 477, 582, 762, 774, 873, 954, 1143, 1746, 2279, 2286, 4171, 4558, 5141, 5461, 6731, 6837, 8342, 10282, 10922, 12319, 12513, 13462, 13674, 15423, 16383, 20193, 20511, 24638, 25026, 30846, 32766, 36957, 37539, 40386, 41022, 46269, 49149, 60579, 73914, 75078, 92538, 98298, 110871, 121158, 221063, 221742, 289433, 442126, 529717, 578866, 652907, 663189, 868299, 1059434, 1305814, 1326378, 1589151, 1736598, 1958721, 1989567, 2604897, 3178302, 3917442, 3979134, 4767453, 5209794, 5876163, 9534906, 11752326, 28075001, 56150002, 84225003, 168450006, 252675009, 505350018]

約数ペア:

[(1, 505350018), (2, 252675009), (3, 168450006), (6, 84225003), (9, 56150002), (18, 28075001), (43, 11752326), (53, 9534906), (86, 5876163), (97, 5209794), (106, 4767453), (127, 3979134), (129, 3917442), (159, 3178302), (194, 2604897), (254, 1989567), (258, 1958721), (291, 1736598), (318, 1589151), (381, 1326378), (387, 1305814), (477, 1059434), (582, 868299), (762, 663189), (774, 652907), (873, 578866), (954, 529717), (1143, 442126), (1746, 289433), (2279, 221742), (2286, 221063), (4171, 121158), (4558, 110871), (5141, 98298), (5461, 92538), (6731, 75078), (6837, 73914), (8342, 60579), (10282, 49149), (10922, 46269), (12319, 41022), (12513, 40386), (13462, 37539), (13674, 36957), (15423, 32766), (16383, 30846), (20193, 25026), (20511, 24638)]