201766864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20639}}^1$

素因数の和:20707

約数の個数: 40

約数和(自身を含む): 429972480

約数和(自身を除く): 228205616

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 20639, 41278, 82556, 165112, 268307, 330224, 536614, 970033, 1073228, 1940066, 2146456, 3880132, 4292912, 7760264, 12610429, 15520528, 25220858, 50441716, 100883432, 201766864]

約数ペア:

[(1, 201766864), (2, 100883432), (4, 50441716), (8, 25220858), (13, 15520528), (16, 12610429), (26, 7760264), (47, 4292912), (52, 3880132), (94, 2146456), (104, 1940066), (188, 1073228), (208, 970033), (376, 536614), (611, 330224), (752, 268307), (1222, 165112), (2444, 82556), (4888, 41278), (9776, 20639)]