221709904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{22679}}^1$

素因数の和:22747

約数の個数: 40

約数和(自身を含む): 472469760

約数和(自身を除く): 250759856

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 22679, 45358, 90716, 181432, 294827, 362864, 589654, 1065913, 1179308, 2131826, 2358616, 4263652, 4717232, 8527304, 13856869, 17054608, 27713738, 55427476, 110854952, 221709904]

約数ペア:

[(1, 221709904), (2, 110854952), (4, 55427476), (8, 27713738), (13, 17054608), (16, 13856869), (26, 8527304), (47, 4717232), (52, 4263652), (94, 2358616), (104, 2131826), (188, 1179308), (208, 1065913), (376, 589654), (611, 362864), (752, 294827), (1222, 181432), (2444, 90716), (4888, 45358), (9776, 22679)]