538121478

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{28463}}^1$

素因数の和:28628

約数の個数: 32

約数和(自身を含む): 1131273216

約数和(自身を除く): 593151738

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 3151, 6302, 9453, 18906, 28463, 56926, 85389, 170778, 654649, 1309298, 1963947, 3899431, 3927894, 7798862, 11698293, 23396586, 89686913, 179373826, 269060739, 538121478]

約数ペア:

[(1, 538121478), (2, 269060739), (3, 179373826), (6, 89686913), (23, 23396586), (46, 11698293), (69, 7798862), (137, 3927894), (138, 3899431), (274, 1963947), (411, 1309298), (822, 654649), (3151, 170778), (6302, 85389), (9453, 56926), (18906, 28463)]