28785078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 73635840

約数和(自身を除く): 44850762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 271, 281, 378, 542, 562, 813, 843, 1626, 1686, 1897, 1967, 2439, 2529, 3794, 3934, 4878, 5058, 5691, 5901, 7317, 7587, 11382, 11802, 14634, 15174, 17073, 17703, 34146, 35406, 51219, 53109, 76151, 102438, 106218, 152302, 228453, 456906, 533057, 685359, 1066114, 1370718, 1599171, 2056077, 3198342, 4112154, 4797513, 9595026, 14392539, 28785078]

約数ペア:

[(1, 28785078), (2, 14392539), (3, 9595026), (6, 4797513), (7, 4112154), (9, 3198342), (14, 2056077), (18, 1599171), (21, 1370718), (27, 1066114), (42, 685359), (54, 533057), (63, 456906), (126, 228453), (189, 152302), (271, 106218), (281, 102438), (378, 76151), (542, 53109), (562, 51219), (813, 35406), (843, 34146), (1626, 17703), (1686, 17073), (1897, 15174), (1967, 14634), (2439, 11802), (2529, 11382), (3794, 7587), (3934, 7317), (4878, 5901), (5058, 5691)]