28620956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 62704320

約数和(自身を除く): 34083364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 182, 244, 364, 427, 793, 854, 1289, 1586, 1708, 2578, 3172, 5156, 5551, 9023, 11102, 16757, 18046, 22204, 33514, 36092, 67028, 78629, 117299, 157258, 234598, 314516, 469196, 550403, 1022177, 1100806, 2044354, 2201612, 4088708, 7155239, 14310478, 28620956]

約数ペア:

[(1, 28620956), (2, 14310478), (4, 7155239), (7, 4088708), (13, 2201612), (14, 2044354), (26, 1100806), (28, 1022177), (52, 550403), (61, 469196), (91, 314516), (122, 234598), (182, 157258), (244, 117299), (364, 78629), (427, 67028), (793, 36092), (854, 33514), (1289, 22204), (1586, 18046), (1708, 16757), (2578, 11102), (3172, 9023), (5156, 5551)]