2811886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 5719680

約数和(自身を除く): 2907794

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 266, 341, 418, 434, 589, 682, 961, 1178, 1463, 1922, 2387, 2926, 4123, 4774, 6479, 6727, 8246, 10571, 12958, 13454, 18259, 21142, 36518, 45353, 73997, 90706, 127813, 147994, 200849, 255626, 401698, 1405943, 2811886]

約数ペア:

[(1, 2811886), (2, 1405943), (7, 401698), (11, 255626), (14, 200849), (19, 147994), (22, 127813), (31, 90706), (38, 73997), (62, 45353), (77, 36518), (133, 21142), (154, 18259), (209, 13454), (217, 12958), (266, 10571), (341, 8246), (418, 6727), (434, 6479), (589, 4774), (682, 4123), (961, 2926), (1178, 2387), (1463, 1922)]