257479128

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^1\times {\mathrm{12289}}^1$

素因数の和:12401

約数の個数: 64

約数和(自身を含む): 722652000

約数和(自身を除く): 465172872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 194, 216, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2619, 3492, 5238, 6984, 10476, 12289, 20952, 24578, 36867, 49156, 73734, 98312, 110601, 147468, 221202, 294936, 331803, 442404, 663606, 884808, 1192033, 1327212, 2384066, 2654424, 3576099, 4768132, 7152198, 9536264, 10728297, 14304396, 21456594, 28608792, 32184891, 42913188, 64369782, 85826376, 128739564, 257479128]

約数ペア:

[(1, 257479128), (2, 128739564), (3, 85826376), (4, 64369782), (6, 42913188), (8, 32184891), (9, 28608792), (12, 21456594), (18, 14304396), (24, 10728297), (27, 9536264), (36, 7152198), (54, 4768132), (72, 3576099), (97, 2654424), (108, 2384066), (194, 1327212), (216, 1192033), (291, 884808), (388, 663606), (582, 442404), (776, 331803), (873, 294936), (1164, 221202), (1746, 147468), (2328, 110601), (2619, 98312), (3492, 73734), (5238, 49156), (6984, 36867), (10476, 24578), (12289, 20952)]