1680206

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 2844072

約数和(自身を除く): 1163866

約数列:

[1, 2, 11, 22, 53, 106, 121, 131, 242, 262, 583, 1166, 1441, 2882, 6413, 6943, 12826, 13886, 15851, 31702, 76373, 152746, 840103, 1680206]

約数ペア:

[(1, 1680206), (2, 840103), (11, 152746), (22, 76373), (53, 31702), (106, 15851), (121, 13886), (131, 12826), (242, 6943), (262, 6413), (583, 2882), (1166, 1441)]