1808742145

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1373}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 2669077440

約数和(自身を除く): 860335295

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 283, 665, 931, 1373, 1415, 1981, 4655, 5377, 6865, 9611, 9905, 13867, 26087, 26885, 37639, 48055, 67277, 69335, 130435, 182609, 188195, 263473, 336385, 388559, 913045, 1278263, 1317365, 1942795, 2719913, 6391315, 7382621, 13599565, 19039391, 36913105, 51678347, 95196955, 258391735, 361748429, 1808742145]

約数ペア:

[(1, 1808742145), (5, 361748429), (7, 258391735), (19, 95196955), (35, 51678347), (49, 36913105), (95, 19039391), (133, 13599565), (245, 7382621), (283, 6391315), (665, 2719913), (931, 1942795), (1373, 1317365), (1415, 1278263), (1981, 913045), (4655, 388559), (5377, 336385), (6865, 263473), (9611, 188195), (9905, 182609), (13867, 130435), (26087, 69335), (26885, 67277), (37639, 48055)]