28213968

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 76630016

約数和(自身を除く): 48416048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 67, 93, 124, 134, 186, 201, 248, 268, 283, 372, 402, 496, 536, 566, 744, 804, 849, 1072, 1132, 1488, 1608, 1698, 2077, 2264, 3216, 3396, 4154, 4528, 6231, 6792, 8308, 8773, 12462, 13584, 16616, 17546, 18961, 24924, 26319, 33232, 35092, 37922, 49848, 52638, 56883, 70184, 75844, 99696, 105276, 113766, 140368, 151688, 210552, 227532, 303376, 421104, 455064, 587791, 910128, 1175582, 1763373, 2351164, 3526746, 4702328, 7053492, 9404656, 14106984, 28213968]

約数ペア:

[(1, 28213968), (2, 14106984), (3, 9404656), (4, 7053492), (6, 4702328), (8, 3526746), (12, 2351164), (16, 1763373), (24, 1175582), (31, 910128), (48, 587791), (62, 455064), (67, 421104), (93, 303376), (124, 227532), (134, 210552), (186, 151688), (201, 140368), (248, 113766), (268, 105276), (283, 99696), (372, 75844), (402, 70184), (496, 56883), (536, 52638), (566, 49848), (744, 37922), (804, 35092), (849, 33232), (1072, 26319), (1132, 24924), (1488, 18961), (1608, 17546), (1698, 16616), (2077, 13584), (2264, 12462), (3216, 8773), (3396, 8308), (4154, 6792), (4528, 6231)]