1209967262

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 2192805888

約数和(自身を除く): 982838626

約数列:

[1, 2, 7, 14, 31, 62, 73, 146, 181, 211, 217, 362, 422, 434, 511, 1022, 1267, 1477, 2263, 2534, 2954, 4526, 5611, 6541, 11222, 13082, 13213, 15403, 15841, 26426, 30806, 31682, 38191, 39277, 45787, 76382, 78554, 91574, 92491, 107821, 184982, 215642, 267337, 409603, 477493, 534674, 819206, 954986, 1183921, 2367842, 2787943, 2867221, 3342451, 5575886, 5734442, 6684902, 8287447, 16574894, 19515601, 39031202, 86426233, 172852466, 604983631, 1209967262]

約数ペア:

[(1, 1209967262), (2, 604983631), (7, 172852466), (14, 86426233), (31, 39031202), (62, 19515601), (73, 16574894), (146, 8287447), (181, 6684902), (211, 5734442), (217, 5575886), (362, 3342451), (422, 2867221), (434, 2787943), (511, 2367842), (1022, 1183921), (1267, 954986), (1477, 819206), (2263, 534674), (2534, 477493), (2954, 409603), (4526, 267337), (5611, 215642), (6541, 184982), (11222, 107821), (13082, 92491), (13213, 91574), (15403, 78554), (15841, 76382), (26426, 45787), (30806, 39277), (31682, 38191)]