221984478

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 495196416

約数和(自身を除く): 273211938

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 131, 141, 262, 282, 393, 423, 786, 846, 1179, 2003, 2358, 4006, 6009, 6157, 12018, 12314, 18027, 18471, 36054, 36942, 55413, 94141, 110826, 188282, 262393, 282423, 524786, 564846, 787179, 847269, 1574358, 1694538, 2361537, 4723074, 12332471, 24664942, 36997413, 73994826, 110992239, 221984478]

約数ペア:

[(1, 221984478), (2, 110992239), (3, 73994826), (6, 36997413), (9, 24664942), (18, 12332471), (47, 4723074), (94, 2361537), (131, 1694538), (141, 1574358), (262, 847269), (282, 787179), (393, 564846), (423, 524786), (786, 282423), (846, 262393), (1179, 188282), (2003, 110826), (2358, 94141), (4006, 55413), (6009, 36942), (6157, 36054), (12018, 18471), (12314, 18027)]