31203788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 71187984

約数和(自身を除く): 39984196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 164, 196, 287, 308, 353, 451, 539, 574, 706, 902, 1078, 1148, 1412, 1804, 2009, 2156, 2471, 3157, 3883, 4018, 4942, 6314, 7766, 8036, 9884, 12628, 14473, 15532, 17297, 22099, 27181, 28946, 34594, 44198, 54362, 57892, 69188, 88396, 101311, 108724, 159203, 190267, 202622, 318406, 380534, 405244, 636812, 709177, 761068, 1114421, 1418354, 2228842, 2836708, 4457684, 7800947, 15601894, 31203788]

約数ペア:

[(1, 31203788), (2, 15601894), (4, 7800947), (7, 4457684), (11, 2836708), (14, 2228842), (22, 1418354), (28, 1114421), (41, 761068), (44, 709177), (49, 636812), (77, 405244), (82, 380534), (98, 318406), (154, 202622), (164, 190267), (196, 159203), (287, 108724), (308, 101311), (353, 88396), (451, 69188), (539, 57892), (574, 54362), (706, 44198), (902, 34594), (1078, 28946), (1148, 27181), (1412, 22099), (1804, 17297), (2009, 15532), (2156, 14473), (2471, 12628), (3157, 9884), (3883, 8036), (4018, 7766), (4942, 6314)]