1284681008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{268537}}^1$

素因数の和:268581

約数の個数: 40

約数和(自身を含む): 2797091808

約数和(自身を除く): 1512410800

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 268537, 537074, 1074148, 2148296, 3490981, 4296592, 6176351, 6981962, 12352702, 13963924, 24705404, 27927848, 49410808, 55855696, 80292563, 98821616, 160585126, 321170252, 642340504, 1284681008]

約数ペア:

[(1, 1284681008), (2, 642340504), (4, 321170252), (8, 160585126), (13, 98821616), (16, 80292563), (23, 55855696), (26, 49410808), (46, 27927848), (52, 24705404), (92, 13963924), (104, 12352702), (184, 6981962), (208, 6176351), (299, 4296592), (368, 3490981), (598, 2148296), (1196, 1074148), (2392, 537074), (4784, 268537)]