28678936

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 66361680

約数和(自身を除く): 37682744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 53, 86, 88, 104, 106, 121, 143, 172, 212, 242, 286, 344, 424, 473, 484, 559, 572, 583, 689, 946, 968, 1118, 1144, 1166, 1378, 1573, 1892, 2236, 2279, 2332, 2756, 3146, 3784, 4472, 4558, 4664, 5203, 5512, 6149, 6292, 6413, 7579, 9116, 10406, 12298, 12584, 12826, 15158, 18232, 20812, 24596, 25069, 25652, 29627, 30316, 41624, 49192, 50138, 51304, 59254, 60632, 67639, 83369, 100276, 118508, 135278, 166738, 200552, 237016, 270556, 275759, 325897, 333476, 541112, 551518, 651794, 666952, 1103036, 1303588, 2206072, 2607176, 3584867, 7169734, 14339468, 28678936]

約数ペア:

[(1, 28678936), (2, 14339468), (4, 7169734), (8, 3584867), (11, 2607176), (13, 2206072), (22, 1303588), (26, 1103036), (43, 666952), (44, 651794), (52, 551518), (53, 541112), (86, 333476), (88, 325897), (104, 275759), (106, 270556), (121, 237016), (143, 200552), (172, 166738), (212, 135278), (242, 118508), (286, 100276), (344, 83369), (424, 67639), (473, 60632), (484, 59254), (559, 51304), (572, 50138), (583, 49192), (689, 41624), (946, 30316), (968, 29627), (1118, 25652), (1144, 25069), (1166, 24596), (1378, 20812), (1573, 18232), (1892, 15158), (2236, 12826), (2279, 12584), (2332, 12298), (2756, 10406), (3146, 9116), (3784, 7579), (4472, 6413), (4558, 6292), (4664, 6149), (5203, 5512)]