889646785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8663}}^1$

素因数の和:8757

約数の個数: 32

約数和(自身を含む): 1197711360

約数和(自身を除く): 308064575

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 437, 893, 1081, 2185, 4465, 5405, 8663, 20539, 43315, 102695, 164597, 199249, 407161, 822985, 996245, 2035805, 3785731, 7736059, 9364703, 18928655, 38680295, 46823515, 177929357, 889646785]

約数ペア:

[(1, 889646785), (5, 177929357), (19, 46823515), (23, 38680295), (47, 18928655), (95, 9364703), (115, 7736059), (235, 3785731), (437, 2035805), (893, 996245), (1081, 822985), (2185, 407161), (4465, 199249), (5405, 164597), (8663, 102695), (20539, 43315)]