28084068

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 76035960

約数和(自身を除く): 47951892

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 306, 327, 421, 436, 612, 654, 842, 981, 1263, 1308, 1684, 1853, 1962, 2526, 3706, 3789, 3924, 5052, 5559, 7157, 7412, 7578, 11118, 14314, 15156, 16677, 21471, 22236, 28628, 33354, 42942, 45889, 64413, 66708, 85884, 91778, 128826, 137667, 183556, 257652, 275334, 413001, 550668, 780113, 826002, 1560226, 1652004, 2340339, 3120452, 4680678, 7021017, 9361356, 14042034, 28084068]

約数ペア:

[(1, 28084068), (2, 14042034), (3, 9361356), (4, 7021017), (6, 4680678), (9, 3120452), (12, 2340339), (17, 1652004), (18, 1560226), (34, 826002), (36, 780113), (51, 550668), (68, 413001), (102, 275334), (109, 257652), (153, 183556), (204, 137667), (218, 128826), (306, 91778), (327, 85884), (421, 66708), (436, 64413), (612, 45889), (654, 42942), (842, 33354), (981, 28628), (1263, 22236), (1308, 21471), (1684, 16677), (1853, 15156), (1962, 14314), (2526, 11118), (3706, 7578), (3789, 7412), (3924, 7157), (5052, 5559)]