28405468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 62077120

約数和(自身を除く): 33671652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 949, 1022, 1069, 1898, 2044, 2138, 3796, 4276, 6643, 7483, 13286, 13897, 14966, 26572, 27794, 29932, 55588, 78037, 97279, 156074, 194558, 312148, 389116, 546259, 1014481, 1092518, 2028962, 2185036, 4057924, 7101367, 14202734, 28405468]

約数ペア:

[(1, 28405468), (2, 14202734), (4, 7101367), (7, 4057924), (13, 2185036), (14, 2028962), (26, 1092518), (28, 1014481), (52, 546259), (73, 389116), (91, 312148), (146, 194558), (182, 156074), (292, 97279), (364, 78037), (511, 55588), (949, 29932), (1022, 27794), (1069, 26572), (1898, 14966), (2044, 13897), (2138, 13286), (3796, 7483), (4276, 6643)]