28719108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 108

約数和(自身を含む): 84236880

約数和(自身を除く): 55517772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 121, 132, 171, 198, 209, 228, 242, 342, 347, 363, 396, 418, 484, 627, 684, 694, 726, 836, 1041, 1089, 1254, 1388, 1452, 1881, 2082, 2178, 2299, 2508, 3123, 3762, 3817, 4164, 4356, 4598, 6246, 6593, 6897, 7524, 7634, 9196, 11451, 12492, 13186, 13794, 15268, 19779, 20691, 22902, 26372, 27588, 34353, 39558, 41382, 41987, 45804, 59337, 68706, 72523, 79116, 82764, 83974, 118674, 125961, 137412, 145046, 167948, 217569, 237348, 251922, 290092, 377883, 435138, 503844, 652707, 755766, 797753, 870276, 1305414, 1511532, 1595506, 2393259, 2610828, 3191012, 4786518, 7179777, 9573036, 14359554, 28719108]

約数ペア:

[(1, 28719108), (2, 14359554), (3, 9573036), (4, 7179777), (6, 4786518), (9, 3191012), (11, 2610828), (12, 2393259), (18, 1595506), (19, 1511532), (22, 1305414), (33, 870276), (36, 797753), (38, 755766), (44, 652707), (57, 503844), (66, 435138), (76, 377883), (99, 290092), (114, 251922), (121, 237348), (132, 217569), (171, 167948), (198, 145046), (209, 137412), (228, 125961), (242, 118674), (342, 83974), (347, 82764), (363, 79116), (396, 72523), (418, 68706), (484, 59337), (627, 45804), (684, 41987), (694, 41382), (726, 39558), (836, 34353), (1041, 27588), (1089, 26372), (1254, 22902), (1388, 20691), (1452, 19779), (1881, 15268), (2082, 13794), (2178, 13186), (2299, 12492), (2508, 11451), (3123, 9196), (3762, 7634), (3817, 7524), (4164, 6897), (4356, 6593), (4598, 6246)]