28580552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 74511360

約数和(自身を除く): 45930808

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 43, 44, 52, 56, 77, 83, 86, 88, 91, 104, 143, 154, 166, 172, 182, 286, 301, 308, 332, 344, 364, 473, 559, 572, 581, 602, 616, 664, 728, 913, 946, 1001, 1079, 1118, 1144, 1162, 1204, 1826, 1892, 2002, 2158, 2236, 2324, 2408, 3311, 3569, 3652, 3784, 3913, 4004, 4316, 4472, 4648, 6149, 6391, 6622, 7138, 7304, 7553, 7826, 8008, 8632, 11869, 12298, 12782, 13244, 14276, 15106, 15652, 23738, 24596, 24983, 25564, 26488, 28552, 30212, 31304, 39259, 43043, 46397, 47476, 49192, 49966, 51128, 60424, 78518, 83083, 86086, 92794, 94952, 99932, 157036, 166166, 172172, 185588, 199864, 274813, 314072, 324779, 332332, 344344, 371176, 510367, 549626, 649558, 664664, 1020734, 1099252, 1299116, 2041468, 2198504, 2598232, 3572569, 4082936, 7145138, 14290276, 28580552]

約数ペア:

[(1, 28580552), (2, 14290276), (4, 7145138), (7, 4082936), (8, 3572569), (11, 2598232), (13, 2198504), (14, 2041468), (22, 1299116), (26, 1099252), (28, 1020734), (43, 664664), (44, 649558), (52, 549626), (56, 510367), (77, 371176), (83, 344344), (86, 332332), (88, 324779), (91, 314072), (104, 274813), (143, 199864), (154, 185588), (166, 172172), (172, 166166), (182, 157036), (286, 99932), (301, 94952), (308, 92794), (332, 86086), (344, 83083), (364, 78518), (473, 60424), (559, 51128), (572, 49966), (581, 49192), (602, 47476), (616, 46397), (664, 43043), (728, 39259), (913, 31304), (946, 30212), (1001, 28552), (1079, 26488), (1118, 25564), (1144, 24983), (1162, 24596), (1204, 23738), (1826, 15652), (1892, 15106), (2002, 14276), (2158, 13244), (2236, 12782), (2324, 12298), (2408, 11869), (3311, 8632), (3569, 8008), (3652, 7826), (3784, 7553), (3913, 7304), (4004, 7138), (4316, 6622), (4472, 6391), (4648, 6149)]