28725192

素因数分解:

$2^3\times 3^4\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 81464460

約数和(自身を除く): 52739268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 162, 194, 216, 291, 324, 388, 457, 582, 648, 776, 873, 914, 1164, 1371, 1746, 1828, 2328, 2619, 2742, 3492, 3656, 4113, 5238, 5484, 6984, 7857, 8226, 10476, 10968, 12339, 15714, 16452, 20952, 24678, 31428, 32904, 37017, 44329, 49356, 62856, 74034, 88658, 98712, 132987, 148068, 177316, 265974, 296136, 354632, 398961, 531948, 797922, 1063896, 1196883, 1595844, 2393766, 3191688, 3590649, 4787532, 7181298, 9575064, 14362596, 28725192]

約数ペア:

[(1, 28725192), (2, 14362596), (3, 9575064), (4, 7181298), (6, 4787532), (8, 3590649), (9, 3191688), (12, 2393766), (18, 1595844), (24, 1196883), (27, 1063896), (36, 797922), (54, 531948), (72, 398961), (81, 354632), (97, 296136), (108, 265974), (162, 177316), (194, 148068), (216, 132987), (291, 98712), (324, 88658), (388, 74034), (457, 62856), (582, 49356), (648, 44329), (776, 37017), (873, 32904), (914, 31428), (1164, 24678), (1371, 20952), (1746, 16452), (1828, 15714), (2328, 12339), (2619, 10968), (2742, 10476), (3492, 8226), (3656, 7857), (4113, 6984), (5238, 5484)]