1289867876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{2789}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 2576085120

約数和(自身を除く): 1286217244

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 457, 506, 914, 1012, 1828, 2789, 5027, 5578, 10054, 10511, 11156, 20108, 21022, 30679, 42044, 61358, 64147, 115621, 122716, 128294, 231242, 256588, 462484, 705617, 1274573, 1411234, 2549146, 2822468, 5098292, 14020303, 28040606, 29315179, 56081212, 58630358, 117260716, 322466969, 644933938, 1289867876]

約数ペア:

[(1, 1289867876), (2, 644933938), (4, 322466969), (11, 117260716), (22, 58630358), (23, 56081212), (44, 29315179), (46, 28040606), (92, 14020303), (253, 5098292), (457, 2822468), (506, 2549146), (914, 1411234), (1012, 1274573), (1828, 705617), (2789, 462484), (5027, 256588), (5578, 231242), (10054, 128294), (10511, 122716), (11156, 115621), (20108, 64147), (21022, 61358), (30679, 42044)]