1281821486

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 2176944000

約数和(自身を除く): 895122514

約数列:

[1, 2, 11, 22, 43, 86, 121, 199, 242, 398, 473, 619, 946, 1238, 2189, 4378, 5203, 6809, 8557, 10406, 13618, 17114, 24079, 26617, 48158, 53234, 74899, 94127, 123181, 149798, 188254, 246362, 292787, 585574, 1035397, 1354991, 2070794, 2709982, 3220657, 5296783, 6441314, 10593566, 14904901, 29809802, 58264613, 116529226, 640910743, 1281821486]

約数ペア:

[(1, 1281821486), (2, 640910743), (11, 116529226), (22, 58264613), (43, 29809802), (86, 14904901), (121, 10593566), (199, 6441314), (242, 5296783), (398, 3220657), (473, 2709982), (619, 2070794), (946, 1354991), (1238, 1035397), (2189, 585574), (4378, 292787), (5203, 246362), (6809, 188254), (8557, 149798), (10406, 123181), (13618, 94127), (17114, 74899), (24079, 53234), (26617, 48158)]