28788426

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 66422400

約数和(自身を除く): 37633974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 73, 109, 134, 146, 201, 218, 219, 327, 402, 438, 603, 654, 657, 981, 1206, 1314, 1809, 1962, 1971, 2943, 3618, 3942, 4891, 5886, 7303, 7957, 9782, 14606, 14673, 15914, 21909, 23871, 29346, 43818, 44019, 47742, 65727, 71613, 88038, 131454, 132057, 143226, 197181, 214839, 264114, 394362, 429678, 533119, 1066238, 1599357, 3198714, 4798071, 9596142, 14394213, 28788426]

約数ペア:

[(1, 28788426), (2, 14394213), (3, 9596142), (6, 4798071), (9, 3198714), (18, 1599357), (27, 1066238), (54, 533119), (67, 429678), (73, 394362), (109, 264114), (134, 214839), (146, 197181), (201, 143226), (218, 132057), (219, 131454), (327, 88038), (402, 71613), (438, 65727), (603, 47742), (654, 44019), (657, 43818), (981, 29346), (1206, 23871), (1314, 21909), (1809, 15914), (1962, 14673), (1971, 14606), (2943, 9782), (3618, 7957), (3942, 7303), (4891, 5886)]