209591998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{25679}}^1$

素因数の和:25752

約数の個数: 32

約数和(自身を含む): 399375360

約数和(自身を除く): 189783362

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 4081, 8162, 25679, 51358, 179753, 282469, 359506, 564938, 1360987, 1977283, 2721974, 3954566, 9526909, 14970857, 19053818, 29941714, 104795999, 209591998]

約数ペア:

[(1, 209591998), (2, 104795999), (7, 29941714), (11, 19053818), (14, 14970857), (22, 9526909), (53, 3954566), (77, 2721974), (106, 1977283), (154, 1360987), (371, 564938), (583, 359506), (742, 282469), (1166, 179753), (4081, 51358), (8162, 25679)]